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14-11-2018
Mathematics

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what is the slope of the line passing through the points (-2,-8) and (-3,9) a.1 b.-1 c. -5/7 d.-7/5

Respuesta :

14-11-2018

The formula of a slope:

[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

We have the points (-2, -8( and (-3, 9). Substitute:

[tex]m=\dfrac{9-(-8)}{-3-(-2)}=\dfrac{17}{-1}=-17[/tex]

Answer: The slope = -17.

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