Find the slope of a straight line that passes through the given pair of points.
-$( - 9,19 )$ and $( 6 , - 4 )$
A) $- 5$
B) $- \frac { 23 } { 15 }$
C) ــــــــــــ
D) $- \frac { 15 } { 23 }$

Question

Quizplus · Accepted Answer

The slope of a line passing through two 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, we get $m = \frac{-4 - 19}{6 - (-9)} = \frac{-23}{15}$, which matches choice B.

Find the Slope of a Straight Line That Passes Through (−9,19)( - 9,19 )(−9,19)

Find the Slope of a Straight Line That Passes Through $( - 9,19 )$