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02-11-2018
Mathematics

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What is the slope of the line passing through the points (−3, 4) and (2, −1) ?

A. 3/5

B. -5/3

C. 1

D. -1

Respuesta :

03-11-2018

[tex]\text{The formula of a slope:}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{We have the points}\ (-3,\ 4)\ \text{and}\ (2,\ -1).\ \text{Substitute}\\\\m=\dfrac{-1-4}{2-(-3)}=\dfrac{-5}{5}=-1\to\boxed{D.}[/tex]

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