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WRITING LINEAR EQUATIONS

WRITING LINEAR EQUATIONS. FINDING THE SLOPE OF A LINE. -1. 1. 3. 3. 4. 5. Warm-up: 15 minutes. y=12. y=-5. y=5. -3. 2. -1. -14. 8. -15. 10.) -5 + (-9). 12.) -1 - (-9). 13.) 8 + (-23). -31. 10. -12. 14.) -22 - 9. 15.) 8 - (-2). 16.) -21 - (-9). Rate of Change.

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WRITING LINEAR EQUATIONS

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  1. WRITING LINEAR EQUATIONS • FINDING THE SLOPE OF A LINE

  2. -1 1 3 3 4 5 Warm-up: 15 minutes y=12 y=-5 y=5 -3 2 -1 -14 8 -15 10.) -5 + (-9) 12.) -1 - (-9) 13.) 8 + (-23) -31 10 -12 14.) -22 - 9 15.) 8 - (-2) 16.) -21 - (-9)

  3. Rate of Change

  4. rise 2 run 5 Example Find the slope of the line passing through: (-1,1)(4,3) Slope = run: 5 units ● (4, 3) RISE: 2 units ● Slope = (-1, 1)

  5. rise 6 run 4 Your Turn Find the slope of the line passing through: (-1,-2)(3,4) run: 4 units ● Slope = (3, 4) RISE: 6 units Slope = ● (-1, -2)

  6. y2 - y1 6 3 Slope = x2 - x1 8 4 Example Find the slope of the line passing through: A(-2,1) B(6,7) x1 y1 x2 y2 Slope = A(-2 , 1) B(6 , 7) Slope = 7 - 1 Slope = 6 -(-2)

  7. y2 - y1 17 Slope = x2 - x1 5 Find the slope of the line passing through: A(2,-5)B(7,12) Your Turn! x1 y1 x2 y2 A(2 , -5) B(7 , 12) Slope = 12 - (-5) Slope = 7 - 2

  8. 1. (0, 7)(0,5) 2. (10, 3)(2,5) 3. (12, 9)(6,7) 4. (10, 1)(4,9) 5. (-8, 5)(6,-3) Practice: find the slope of the following: Slope = undefined Slope = -2/8 or -1/4 Slope = 2/6 or 1/3 Slope = -8/6 Slope = -8/14 or -4/7

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