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14-07-2017
Mathematics

contestada

What is the slope of the line that contains the points (-1, -1) and (3, 15)?

A. 4
B. 1/4
C. -4
D. -1/4

Respuesta :

14-07-2017

To get slope (m), use the equation
m = (y2 - y1)/(x2 - x1)

Then plug in the points
m = (15 + 1)/(3 + 1)
m = (16)/(4)
m = 4

answer is A. 4

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