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# 8 4 Notes

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Chapter 8 Linear Functions

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### 8 4 Notes

1. 1. Chapter 8 – Functions and Graphing 8.4 - Slope
2. 2. The Tile Problem Create a table to show the pattern. What expression can we use to show the relationship between the dark and white tiles? w = 2 d + 6 Where else can we find a “2” in a pattern? Dark White 1 2 3 4 5
3. 3. Slope <ul><li>The slope m of a line describes its steepness. </li></ul><ul><li>The vertical change is called the change in y . </li></ul><ul><li>The horizontal change is called the change in x . </li></ul>
4. 4. Formulas for Slope Slope or m = change in y change in x m = . y 2 – y 1 x 2 – x 1 m = rise run
5. 5. The House That Slope Built Zero Slope…Zero Fun! Positive Slope Negative Slope No Slope!!! NOT SAFE!!!
6. 6. Graph a line that passes through (-2, 3) and (3, -3). Find the slope of the line.
7. 7. Find the slope of the line that contains A(2,6) and B(-3, -8). Then graph the line.
8. 8. Find the slope of each line.
9. 9. Find the slope of each line.
10. 10. Questions? <ul><li>Homework: </li></ul><ul><ul><ul><li>8.4 WKS </li></ul></ul></ul>