unit 4a day 5 review & complete slope-intercept form - a1 ......unit 4a day 5 review &...
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Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
1
January 07, 2020
Oct 224:44 PM
Algebra 1
Mrs. Hall
January 7, 2020
Welcome back! Hope you enjoyed your break. Take out your composition notebook.
Dec 112:18 PM
Review of Unit 4A: Linear Functions
• Slope• Rate of Change• Direct Variation• Slopeintercept form• Slopeintercept form day 2
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
2
January 07, 2020
Oct 216:42 PM
Slopeintercept form equation:
y = mx + b
Oct 216:48 PM
Identify Slope and yintercept
What are the slope and yintercept of the graph of y = 5x 2?
The yintercept is the point where the line crosses the yaxis (x value is 0).
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
3
January 07, 2020
Oct 216:52 PM
What are the steps to write an equation in slopeintercept form given a slope and the yintercept?
m = 2
b = 9
Remember, slopeintercept form is always written as y =
Oct 217:02 PM
What are the steps to write an equation in slopeintercept form given two points?
(5,9) (1,3)
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
4
January 07, 2020
Oct 217:20 PM
What are the steps to write an equation in slopeintercept form given a graph?
Oct 217:29 PM
Write an equation in slopeintercept form given a graph.
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
5
January 07, 2020
Oct 217:34 PM
What if the equation is written in another form?
y + 9 = 6(x 5)
Dec 112:16 PM
What are the steps to graph equations using slopeintercept form?
y = 3x 2
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
6
January 07, 2020
Oct 224:52 PM
Steps to graphing in slopeintercept form:
1. Put a point on the yintercept (b).
2. Write the slope (m) as a fraction.
3. Put your pencil on the yintercept and count rise over run. Mark the point.
4. Draw a line connecting the two points.
Desmos.com
Free graphing calculator
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
7
January 07, 2020
Dec 112:09 PM
y = x + 2
Oct 234:20 PM
y = 5x + 1
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
8
January 07, 2020
Dec 112:16 PM
What if the equation is not in slopeintercept form?
2x + 3y = 4
Dec 112:16 PM
x 2y = 6
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
9
January 07, 2020
Dec 112:16 PM
Graph a line where the xintercept is 5 and the yintercept is 1.
• Xintercept: place where the line crosses the xaxis.
• Yintercept: place where the line crosses the yaxis.
Intercepts
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
10
January 07, 2020
Listen to directions and watch me!
• cut the dotted lines around the rectangle• fold the title flap backwards & glue to the
back• fold the title flap forward along the solid
line• cut the flaps on the dotted lines• glue into your notebook
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
11
January 07, 2020
Slopeintercept Form Foldable
Oct 225:07 PM
Homework:
• Graphing in SlopeIntercept form worksheet
• Begin Graphing Project
Unit 4A Day 5 Review & complete slopeintercept form A1.notebook
12
January 07, 2020
Stained Glass Window Graphing Project
• All 11 lines are graphed.
• The lines are graphed correctly (match the equations given).
• Lines are drawn neatly using a straight edge.
• Sections are colored neatly and mounted onto construction paper.
• This will count as a quiz grade.
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