midterm reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · midterm review...
TRANSCRIPT
![Page 1: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/1.jpg)
MIDTERM REVIEW
Algebra I and Honors Algebra I
![Page 2: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/2.jpg)
Midterm Exams
◦Your midterm exam counts for ¼ or
25% of your first semester average.
◦Semester Average:
◦(Q1 avg + Q2 avg)/2 = QAVG
◦Sem avg = (QAVG + QAVG+QAVG +
midterm)/4
![Page 3: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/3.jpg)
Example Calculations
◦Q1 = 75
◦Q2 = 75
◦Midterm = 40
◦Sem avg = (75 + 75 + 75 + 40) / 4
= 66 F average
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Example Calculations
◦Q1 = 75
◦Q2 = 75
◦Midterm = 100
◦Sem avg = (75 + 75 + 75 + 100) / 4
= 81 C average
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Example Calculations
◦Q1 = 65
◦Q2 = 65
◦Midterm = 83
◦Sem avg = (65 + 65 + 65 + 83) / 4
= 70 D average
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Example Calculations
◦Q1 = 93
◦Q2 = 93
◦Midterm = 50
◦Sem avg = (93 + 93 + 93 + 50) / 4
= 82 C average
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HOW I AM HELPING YOU
1. You are allowed to use a handwritten, 1-page “cheat sheet”…..you may write anything on it (except letter answers!)
2. You can earn 5 points extra credit for taking all notes and turning them on exam day. ALL OR NOTHING!
3. 5 additional extra credit points will be available later. (Stay tuned!)
![Page 8: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/8.jpg)
HOW I AM HELPING YOU
◦You will get a detailed study guide this week.
◦There are other materials on my web site: http://hhsbrown.weebly.com/
◦I will spend at least 2-3 days reviewing for the midterm exam.
![Page 9: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/9.jpg)
DO YOUR PART
◦Pay attention in class.
◦Take good notes.
◦Make a great “cheat sheet.”
◦Study by working problems and working
problems again.
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NOTES
![Page 11: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/11.jpg)
Notes Packet
◦ I am about to give you a stapled, 18-page
packet of notes. Bring this to class every day
until we take the exams.
◦Write all notes on these handouts.
◦ If you turn in these notes COMPLETELY filled out,
you will get +5 points added to your midterm
exam grade
![Page 12: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/12.jpg)
NOTES PACKET
◦Write your name in ink on the top of
your packet.
◦DO NOT LOSE THIS! I do not have extra
copies.
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POINT-SLOPE FORMULA &
TRANSFORMATIONSAt least 10 points of your test
![Page 14: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/14.jpg)
Point-Slope Formula
◦Formula: 𝑦 − 𝑦1 = 𝑚 𝑥 − 𝑥1
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Example (b)
◦Example: What is the equation of the line
through (-3, 5) with slope 4?
◦Formula: 𝑦 − 𝑦1 = 𝑚 𝑥 − 𝑥1◦m=4; 𝑥1= -3; 𝑦1= 5
Answer: 𝑦 − 𝟓 = 𝟒 𝑥 − (−𝟑)
Which reduces to 𝑦 − 𝟓 = 𝟒 𝑥 + 3
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Your turn: Try (c)
◦What is the equation of the line
through (4, -6) with slope 2 in point-
slope form?
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Your turn: Try (c)
◦What is the equation of the line through (4, -6) with slope 2 in point-slope form?
◦Formula: 𝑦 − 𝑦1 = 𝑚 𝑥 − 𝑥1◦m=2; 𝑥1= 4; 𝑦1= -6
Answer: 𝑦 − (−𝟔) = 𝟐 𝑥 − (𝟒) which simplifies to 𝑦 + 𝟔 = 𝟐 𝑥 − 𝟒
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TRANSLATIONS
![Page 19: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/19.jpg)
Translations
◦ If you have not been good at this by graphing
by hand, we can do these on your TI-NSPIRE!
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Graph two functions!
◦Press the ON
button.
◦Press 1 for New
Document
![Page 21: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/21.jpg)
◦Press the right
arrow key on the
NavPad and
select No. Press
Enter.
![Page 22: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/22.jpg)
◦Press 2 to Add
Graphs
![Page 23: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/23.jpg)
◦Type 2x for f1(x).
◦Press Enter
![Page 24: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/24.jpg)
◦To graph the 2nd
function, press
Ctrl G
![Page 25: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/25.jpg)
◦Type the 2nd
function for
f2(x)….so type 2x
+3
![Page 26: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/26.jpg)
◦You now should
see both f1(x)=2x
and f2(x) = 2x + 3.
◦What took
place?
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ANSWER
◦F(x) = 2x is
translated up 3
spaces to create
g(x) = 2x + 3.
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YOUR TURN—the original function is f(x) = 2x
◦Try the next two problems on your
own!
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F(x) = 2x g(x) = 2x - 4
◦F(x) = 2x is
translated down
4 spaces to
create
g(x) = 2x - 4
![Page 30: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/30.jpg)
F(x) = 2x g(x) = 2x + 2
◦F(x) = 2x is
translated up 2
spaces to create
g(x) = 2x + 2
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REFLECTIONS
![Page 32: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/32.jpg)
F(x) = 2x -2 g(x) = -2x - 2
◦Graph both lines on your graphing calculator if you are not very good at doing this by hand!
![Page 33: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/33.jpg)
F(x) = 2x -2 g(x) = -2x - 2
◦Press the ON
button. Select 1
for New
Document
![Page 34: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/34.jpg)
◦Arrow over to the
right and select
NO. Press Enter.
![Page 35: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/35.jpg)
◦Select 2 for Add
Graphs.
![Page 36: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/36.jpg)
◦Type 2x – 2 and
press enter.
◦Press Control G (for
graph) and you
can then type the
second equation.
![Page 37: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/37.jpg)
◦Don’t use the subtraction key for the 1st -2.
◦Type
v2X-2 a
and Press enter!
![Page 38: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/38.jpg)
◦If you get an error message, press Control G….then type
v2X-2 a
and Press enter!
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Answer
◦F(x) = 2x -2 is reflected
in the y-axis to create
g(x) = -2x -2.
◦Remember: If you
change the x-term
from positive to
negative, you reflect
the line in the y-axis.
![Page 40: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/40.jpg)
YOUR TURN: There is a typo!
![Page 41: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/41.jpg)
Answer
◦F(x) = -3x + 1 is
reflected in the y-axis to create
g(x) = 3x +1
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VOCABULARY20 PTS OF THE TEST
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Vocabulary (20 points of exam)
◦The first ten questions of the midterm exam will require you to be able to recognize some definitions of key vocabulary words.
◦Throughout the exam, you also will need to be able to use three key formulas: slope-intercept form, slope formula, and point-slope formula.
![Page 44: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/44.jpg)
Vocabulary Activity #1
◦You will get in groups of 2-4 people.
◦Each group will get a set of cards.
◦The words will be on white cardstock and the definitions will be on blue cardstock
◦Match the word with its definition.
◦You will be given ten (10) minutes to complete this activity.
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Vocabulary Activity #2
◦Work with a partner to complete the crossword
puzzle on page 2-3.
◦You will be given ten (10) minutes to complete
this activity.
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FORMULAS/RULES (PAGE 3)
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Formulas/Rules to Know (p.3)
1. Interquartile Range = Q3 – Q1
2. Parallel lines have the same slope.
3. Perpendicular lines have opposite reciprocal slopes.
4. Point-slope formula:
𝑦 − 𝑦1 = 𝑚 𝑥 − 𝑥1
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Formulas/Rules to Know (p.3)
5. Slope-Intercept formula: y=mx+b
6. Slope formula: 𝑚 =𝑦2−𝑦1
𝑥2−𝑥1
7. The y-intercept of f(x) = mx + b is b.
8. The slope of f(x) = mx + b is m.
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VOCABULARY/FORMULAS PRACTICE
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Vocabulary Practice (10 minutes)
◦Answer questions #1-10 on page 5.
◦If you finish early, begin the word search on page 4.
◦You probably will not have time to finish the word search now….You have plenty of time to complete it!
◦Answer questions #1-10 first on page 5!!
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STATISTICS PROBLEMS #11-16
12 points of the midterm
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PROBLEM #11: FIND THE MEDIAN
Two methods to solve this problem!
![Page 53: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/53.jpg)
Median (Problem #11—page 5)
◦Method #1: To solve this by hand, put the
numbers in order and find the middle number.
![Page 54: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/54.jpg)
Median: Problem #11
◦Cross out the first and last number.
◦Repeat until you are left with the middle #.
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Method #2: Median
◦You can also solve this problem by
using your TI-Nspire!
![Page 56: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/56.jpg)
Calculator: Median
◦Press the ON button.
◦Press 1 for New Document.
![Page 57: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/57.jpg)
Calculator: Median
◦If you get this
message, select
NO and then press
ENTER.
![Page 58: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/58.jpg)
Calculator: Median
◦Select 4 for Add
Lists and
Spreadsheets
![Page 59: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/59.jpg)
Calculator: Median
◦Go to the top of
the first column
and type a name
for the data.
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Calculator: Median
◦Enter the numbers
into the
spreadsheet:
7, 4, 28, 11, 48, 45, 37
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Calculator: Median
◦Press the Menu button.
◦Press 4 for Statistics
◦Press 1 for Stat Calculations
![Page 62: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/62.jpg)
Calculator: Median
◦Press 1 for One-Variable Statistics.
◦ (You go here to calculate the mean, median, Q1, Q3, interquartile range, and standard deviation.)
◦ You go to #3 if we were doing a line of best fit.
![Page 63: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/63.jpg)
Calculator: Median
◦Press Enter.
![Page 64: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/64.jpg)
◦Press the right arrow on the NavPad.
◦Press down on the NavPad to select data as your x1 list.
◦Press Enter.
◦Press Enter again
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Calculator: Median
◦You see the mean, the sample standard deviation, and other stuff at first.
◦Arrow down to find the median.
![Page 66: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/66.jpg)
Calculator: Median
◦The median is 28.
◦You can do this
either way on
the exam….your
choice!!!!!
![Page 67: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/67.jpg)
Your Turn (Daily Grade #1)
◦I will now pass out a bubble sheet and a
pink “daily grade” handout
◦Please do not write on the pink handout.
◦Try problems #1-11 now.
◦Bubble your answers on your bubble sheet.
◦Stop at question #11.
![Page 68: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/68.jpg)
#12: RANGE
![Page 69: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/69.jpg)
Example #12 (page 6 Notes)
◦Range = Max – Min
Max = 593 Min = 115
Range = 593 – 115 = 478
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YOUR TURN (Daily Grade #1)
◦Try #12 on your daily grade and
bubble sheet.
![Page 71: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/71.jpg)
INTERQUARTILE RANGE
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EXAMPLE #13 (page 6 notes)
◦We have only done this problem on a
calculator. Create a new document on
your TI-Nspire and enter the data.
![Page 73: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/73.jpg)
![Page 74: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/74.jpg)
◦After you do
Menu, Statistics,
1-var Stats, and
select your data,
you will find Q3
and Q1
![Page 75: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/75.jpg)
Interquartile Range = Q3 – Q1
◦IQR = Q3 – Q1
◦IQR = 10 – 4 = 6
◦IQR = 6
![Page 76: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/76.jpg)
YOUR TURN! (Daily Grade #1)
◦Try #13 on your bubble sheet.
![Page 77: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/77.jpg)
#14: LINE OF BEST FIT(PAGE 6 NOTES)
![Page 78: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/78.jpg)
CALCULATOR: LINE OF BEST FIT
◦You must enter the x numbers in one
column and the y numbers in another
column.
◦Name the columns, too!
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LINE OF BEST FIT INSTRUCTIONS
◦Press the On
Button.
◦Select 1 to get a
new document
![Page 80: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/80.jpg)
LINE OF BEST FIT
◦Select No and
Press the enter
button.
![Page 81: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/81.jpg)
LINE OF BEST FIT
◦Select 4 for Add Lists and Spreadsheet.
◦Name the columns (xc, yc)
◦Enter the data
![Page 82: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/82.jpg)
Name columns; Enter data
◦Name the first columns something like xc.
◦Enter the x-coordinates in the first column.
◦Do the same for the y-coordinates (yc).
![Page 83: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/83.jpg)
Line of Best Fit
◦Press the Menu button.
◦Select 4 for Statistics.
◦Select 1 for Stat Calculations.
![Page 84: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/84.jpg)
Line of Best Fit
◦Select 3 for Linear
Regression (mx
+b).
![Page 85: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/85.jpg)
Line of Best Fit
◦You now have to
tell the calculator
your variable
names for the x-
list and y-list.
![Page 86: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/86.jpg)
Line of Best Fit
◦Press the right arrow on the NavPad.
◦Press the down arrow to select xc.
◦Press Enter
◦Press TAB to get to the Y list.
![Page 87: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/87.jpg)
◦You should be on the y List line.
◦Right arrow.
◦Down arrow
◦Select yc.
◦Press Enter twice.
![Page 88: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/88.jpg)
Line of Best Fit
◦The line of best fit is provided.
◦Slope = m
◦Y-int = b
◦Use y = mx + b
![Page 89: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/89.jpg)
◦The answer to this
example problem
is B since m=1.17
and b=16.4
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Your TUrn
◦Try #14 on your daily
grade…Bubble your answer on
your bubble sheet.
![Page 91: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/91.jpg)
#15: SAMPLE STANDARD DEVIATION
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Example for #15 (page 6 Notes)
◦To find the standard deviation, type
these numbers into a list on your
calculator like we did for median and
IQR.
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◦Remember to name
your column at the top.
◦Type in all the numbers:
55, 18, 40, 22,
20, 42, 55
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Standard Deviation
◦Press Menu, Statistics, Stat Calculations, 1-var Statistics, Enter, and Enter again.
◦You will see this screen.
![Page 95: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/95.jpg)
◦Right arrow over,
then down arrow
to select Score.
◦Press enter.
◦Press enter again.
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Sample Standard Deviation
◦ 𝑥 is the mean.
◦sx is the sample
standard
deviation…..this is
the number you
want!
![Page 97: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/97.jpg)
◦The sample
standard deviation
is 16.1
![Page 98: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/98.jpg)
YOUR TURN!
◦Try #15 on your daily grade/bubble
sheet.
![Page 99: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/99.jpg)
MEAN: #16(NOTES PAGE 6)
![Page 100: Midterm Reviewhhsbrown.weebly.com/uploads/8/9/8/0/89809847/midterm_review.pdf · MIDTERM REVIEW Algebra I and Honors Algebra I. Midterm Exams ... you will get +5 points added to your](https://reader034.vdocument.in/reader034/viewer/2022051807/600489f36e1f1874d14c4797/html5/thumbnails/100.jpg)
Mean (Arithmetic Average)
◦We could do this on a calculator….but
the quickest way is to add up the
numbers and divide by 9.
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Oh NO! We get a fraction!
◦To avoid getting
a fraction, type
516/9.
◦(Put a decimal
point after the 9)
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Mean: Decimal Answer
◦Type 516, division
symbol, 9, and
then a decimal
point.
◦Press Enter
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YOUR TURN!
◦Try #16 on your bubble sheet!
◦Turn in your bubble sheet and daily
grade handout when you are finished.
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FUNCTION/GRAPHINGREVIEW (P. 7 NOTES)
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◦-1 is x; 2 is y
◦Substitute -1 into x and 2 into y and
see if the inequality is true or false
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◦Parallel lines have what type of
slope? Perpendicular?
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◦You can also check perpendicular lines by multiplying the slopes…if you get -1, they are perpendicular!
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#4 Slope-int form (page 7 notes)
◦It asks for the equation in slope-intercept form….so I know that B and D are automatically incorrect!!!! What form are they written in?????
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Word Problem using y = mx + b
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◦To see if it is a function, see if any x-
values appear more than once.
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Domain: x Range: y
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#7 Domain of a linear function
◦Domain:x
◦The graph goes left forever on the x-axis and right forever on the y-axis.
◦This means that the domain is ALL REAL NUMBERS.
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◦Answer: B
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#8 Domain/Range (page 7 notes)
◦Domain: x
◦Range: y
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#8 on page 7 notes
◦(a) is incorrect---Don’t write down 2 twice!
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#9 Function Notation (page 7)
◦F(-4.2) means that x is -4.2
◦Substitute -4.2 into x and calculate y.
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#10 Vertical Line Test
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#11 and #12 Slope Formula
◦Write (x1,y1) and (x2,y2) underneath the
ordered pairs.
◦Write the slope formula.
◦Write boxes or parenthesis where the
numbers go….substitute the numbers into
the equation.
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#11 (page 8—Notes)
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#12 (page 8—Notes)
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#13 Notes----(page 8)
◦I know that (B) and (D) are wrong since the
slope is m=-3….(B) and (D) has 3 for the slope
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#14—page 8 NOTES
◦Read this problem carefully……they gave
you the slope (m) and the y-intercept (b)
◦There is no work to do!!!!
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#14 Use y=mx+b
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#15 y-intercept (p. 8 notes)
◦The y-intercept is where the graph
crosses the y-axis…..
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#15
◦The y-intercept is where the graph
crosses the y-axis and is a y-value!
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Checkpoint----62%
◦I have now gone over 62% of the
test…If you can do these problems,
you are on your way to passing this
midterm exam!
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MIDTERM DAILY GRADE
◦You will be given a green
handout…Please do not write on this
handout!
◦Bubble your answers on the bubble sheet.
◦Turn the green handout and the bubble
sheet in when you are done!
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Graphing/Shading: page 9
◦Is this a dotted or
solid line?
◦What is the y-
intercept?
◦What is the slope?
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#16 (page 9)
◦The y-intercept is
1.
◦The y-intercept is
on the y-axis
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#16
◦Starting at the y-intercept 1, go down 2 and run over 1 to the right.
◦Then, draw a dotted line through the points!
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#16
◦Use a checkpoint like (0,0).
◦ If you get a true statement, shade below the line where (0,0) is located….if not, shade above where (0,0) is not located
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◦A and C
cannot be
correct
because
the slope is
increasing/
positive.
◦Answer: B
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#17 (page10)This is a slope formula problem
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Vocabulary (page10)
◦Complete the Word Jumble on page
10 by unscrambling each word. Then,
write the letters in the correct number
so that you can get the phrase at the
bottom of the page.
◦Finish the word search on page 4.
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GRAPHING FUNCTIONS ON A
CALCULATOR
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#1 on page 11 (Notes)
◦Type the
equation
into your
calculator.
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◦Press the ON
button on your
calculator.
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◦Arrow over to No
and then press
ENTER (if needed)
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◦Press 2 to Add
Graphs
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◦Type Xq+12X·
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◦Oh..no! This does
not look like a u-
shaped
parabola!!!!!
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◦Press Menu
◦Select 4 for
Window/Zoom
◦Arrow down to A:
Zoom-Fit
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◦From this view, we
can tell the answer
is (A) because of
how it passes
through the origin.
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◦After Christmas,
we will learn
this….Press Menu,
Select 5 for Trace,
and then 1 for
Graph Trace
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Answer: A
◦You can arrow left and right to move the cursor on the parabola by pressing the left and right key on the NavPad.
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Your Turn: Try #2 on page 12
◦Press On….Do a new document.
◦Graph the function….by selecting New Graph.
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Answer: D (Look at the x-intercepts)
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MIDTERM STUDY GUIDE
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Midterm Study Guide
◦I will go over a page of the Midterm Study guide in your notes….Write down everything I write down.
◦I will then give you time to try some of these on your own…..on a separate practice test.
◦We will start with #36 on the review….and go over #1-35 again later.