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The Slope of the Line

The Slope of the Line. 11.5. Slope. Find Slope. 1.) Rise =2 Run =4 2.) rise = -1 Run =4. Count out the Slope. Start with the point on the left Count the vertical change first If you go up it is positive If you go down it is negativ e Count the horizontal change second

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The Slope of the Line

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  1. The Slope of the Line 11.5

  2. Slope

  3. Find Slope • 1.) Rise =2 Run =4 • 2.) rise = -1 Run =4

  4. Count out the Slope • Start with the point on the left • Count the vertical change first • If you go up it is positive • If you go down it is negative • Count the horizontal change second • You will always go to the right

  5. Meet Joe….Joe Cool • Joe can only walk to the right. • Use Joe to help you find the slope • Always start on the left to help Joe walk to the right

  6. “slope” 3

  7. Graph the line containingthe points (-4,2) and (2,-3) and find the slope. 6

  8. Slope of a Horizontal line (y=#) Always 0

  9. What is the slope? (-6,4) (5,4) Horizontal line = “0” slope

  10. Slope of a Vertical Line (x=#) Always Undefined

  11. What is the slope? (3,8) (3,-2) Vertical line = “no slope”

  12. Adventures of Slope Dude • http://www.youtube.com/watch?v=ZzU8x5cMR-w

  13. Slope Formula

  14. Find the slope of the line containing (2,2) and (8,9) 2-9 = -7 = 7 2-8 -6 6

  15. Find the slope of the line containing (-4,-6) and (3,-2) M= -6 - -2 = -6 +2 = -4 = 4 -4 – 3 -4-3 -7 7

  16. Find the slope of the line containing (-4,-6) and (3,-2) M= -6 - -2 = -6 +2 = -4 = 4 -4 – 3 -4-3 -7 7

  17. Find the slope of the line containing (1,1) and (3,5)

  18. Homework Page 586 (8-18) even

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