directions: to check your answers, click the mouse to shine the light on the ghost and watch the...
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![Page 1: Directions: To check your answers, click the mouse to shine the light on the ghost and watch the answers appear! The 7 th Grade Haunted House of Connected](https://reader030.vdocument.in/reader030/viewer/2022032606/56649eab5503460f94bb180d/html5/thumbnails/1.jpg)
Directions: To check your answers, click the mouse to shine the light on the ghost and watch the answers appear!
The 7th Grade Haunted House of Connected Math
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What is happening to the x variable and the y variable on the graph?
As the x is increasing, the y is increasing at a steady rate and then starting to level off
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Which variable is independent and which variable is dependent?
number of players
Independent
Cost
dependent
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Why did you choose the variable as your
dependent variable?
the cost depends on the number of shirts
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Besides showing patterns easily, would it make sense to connect the points on the graph of cost and number of
shirts?
No, the data
is not continuous. (cannot buy part of a shirt)
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Make a table to show Sue making $6.00 an hour from 1 to 6 hours.
Time(hr) Money($)
1 $6.00
2 $12.00
3 $18.00
4 $24.00
5 $30.00
6 $36.00
![Page 7: Directions: To check your answers, click the mouse to shine the light on the ghost and watch the answers appear! The 7 th Grade Haunted House of Connected](https://reader030.vdocument.in/reader030/viewer/2022032606/56649eab5503460f94bb180d/html5/thumbnails/7.jpg)
Write an equation for the total cost of books if each
book is $8.99.
c = 8.99n,
where c = the total cost & n = the # of books
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Write an equation for the total cost if Jen and Mary charge $10 plus $5 an
hour to babysit.
c = 10 +
5h, where c = total cost & h = # of hours
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Lou charges $4.50 an hour to rake leaves. If he graphed the amount
earned from 1 hour to 8 hours, what would his
graph look like? How do you know?
A straight line upward segment
It is a constant rate
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If p = total number of pencils needed and each student in math
class needs 4 pencils, write an equation to show the total number
of pencils needed.
p = 4n, where p = total # pencils & n = # of students
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Explain what it means when a graph is showing a
straight-line segment either on an increasing or decreasing slant.
means the data is increasing or decreasing at a steady rate
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Use the equation d = 55t
What is the distance traveled in 5 hours?
The distance traveled in 5 hours is 275 miles.
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Use the equation d = 8t
Find the distance traveled in 2.5 hours?
The distance traveled in 2.5 hours is 20 miles.
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Use the formula d = 30t
If the distance traveled was 120 miles, how long did it take?
It would take 4 hours to travel 120 miles.
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If you connect the points on a graph and the segment is
horizontal from one point to the next, what does this tell
you?
The data stayed at the same amount
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What is the purpose of making a coordinate graph?
to show the relationship between variables
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Jack is saving $40 a week for a new TV. Make a
table to show his savings from 0-4 weeks.
Week Savings($)
0 $0
1 $40
2 $80
3 $120
4 $160
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Chris is saving for the TV too. He has already saved $120
from his chores. He plans on saving $20 a week. Make a
table to show his savings from 0 to 4 weeks.
Week Savings($)
0 $120
1 $140
2 $160
3 $180
4 $200
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Write an equation for Jack’s total savings for $40 a week
s = 40w, where
s = the total savings
& w = # of weeks
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Write an equation for Chris’ savings – he started with
$120 and saved $20 a week
s = 120 + 20w, where s = total savings & w = # of weeks
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Solve 6x = 24 Show work on both sides
6x = 24
÷6 ÷6
x = 4
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Solve x/3 – 15 = 10
x/3 – 15 = 10
+15 +15
x/3 = 25
*3 *3
X = 75
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Make sure to review Investigation 1 and 2 quizzes
Study tonight….
Good Luck tomorrow!!
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Thank you for playing!