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12-07-2017
Mathematics

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Write the equation of the line that passes through (1,5) and (-2,14) in slope intercept form

Respuesta :

12-07-2017

Slope = (y2 - y1)/(x2 - x1)

Plug in the values: (14 - 5)/(-2 - 1) = 9/-3
So your slope is -3

y - -3x + b

Now we need to find the y-intercept. Plug in (1, 5) and solve for b.

5 = -3 * 1 + b
8 = b

y = -3x + 8

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