Find the slope of the line containing the pair of points.
-$( - 2 , - 7 )$ and $( 2 , - 8 )$
A) 2
B) $\frac { 1 } { 2 }$
C) $- 4$
D) $- \frac { 1 } { 4 }$

Question

Quizplus · Accepted Answer

The slope of a line through points $(x_1, y_1)$ and $(x_2, y_2)$ is given by $m = \frac{y_2 - y_1}{x_2 - x_1}$. Substituting the given points, $m = \frac{-8 - (-7)}{2 - (-2)} = \frac{-1}{4} = -\frac{1}{4}$.

Find the Slope of the Line Containing the Pair of Points