hannah1554
hannah1554 hannah1554
  • 09-09-2020
  • Mathematics
contestada

How do you find the point slope form for the points (2,7) and (-1,9)?

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hippopotamus
hippopotamus hippopotamus
  • 09-09-2020

Answer:

y = -2/3 x + 25/3

Step-by-step explanation:

The slope = (y_2 - y_1) / (x_2 - x_1) = (9 - 7) / (-1 - 2) = -2/3.

Our equation needs to be in y = mx + b form.

We can plug in (2, 7) as our (x, y) and find b:

7 = -2/3 (2) + b

b = 7 + 4/3 = 25 / 3.

Therefore, our equation is y = -2/3 x + 25/3

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onesmartcookie111784
onesmartcookie111784 onesmartcookie111784
  • 09-09-2020

Use the Equation(in the picture) and plug in your variables to find m(slope)

[tex]\frac{9-7}{-1-2} = \frac{-2}{3} = -0.67[/tex]

Ver imagen onesmartcookie111784
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