2-13-17 - Module 4 - Lesson 15
Transcript of 2-13-17 - Module 4 - Lesson 15
![Page 1: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/1.jpg)
21317 Module 4 Lesson 15
1
Monday, February 13, 2017
Students know that slope is a number that describes the steepness or slant of a line, and students interpret the unit rate as the slope of a graph.
Solve each equation.
2(x + 3) = 12
3(x - 9) = 2x - 9 + x - 18
![Page 2: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/2.jpg)
21317 Module 4 Lesson 15
2
![Page 3: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/3.jpg)
21317 Module 4 Lesson 15
3
Slope - A ratio that describes both the direction and steepness of a line.
![Page 4: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/4.jpg)
21317 Module 4 Lesson 15
4
![Page 5: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/5.jpg)
21317 Module 4 Lesson 15
5
a. Which graph is steeper?
b. Write directions that explain how to move from one point on the graph to the other for both Graph A and Grab B.
![Page 6: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/6.jpg)
21317 Module 4 Lesson 15
6
c. Write the directions from part (b) as ratios, and then compare the ratios. How does this relate to which graph was steeper in part(a)
![Page 7: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/7.jpg)
21317 Module 4 Lesson 15
7
![Page 8: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/8.jpg)
21317 Module 4 Lesson 15
8
![Page 9: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/9.jpg)
21317 Module 4 Lesson 15
9
![Page 10: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/10.jpg)
21317 Module 4 Lesson 15
10
![Page 11: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/11.jpg)
21317 Module 4 Lesson 15
11
![Page 12: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/12.jpg)
21317 Module 4 Lesson 15
12
![Page 13: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/13.jpg)
21317 Module 4 Lesson 15
13
![Page 14: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/14.jpg)
21317 Module 4 Lesson 15
14
![Page 15: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/15.jpg)
21317 Module 4 Lesson 15
15
![Page 16: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/16.jpg)
21317 Module 4 Lesson 15
16
![Page 17: 2-13-17 - Module 4 - Lesson 15](https://reader033.fdocuments.us/reader033/viewer/2022042516/62619cc075fcc752344b0916/html5/thumbnails/17.jpg)
21317 Module 4 Lesson 15
17