Find the slope of the line through the pair of points.
-$$( 7 , - 6 ) \text { and } ( 7 , - 1 )$$
A) 0
B) 5
C) -5
D) Undefined

Question

Quizplus · Accepted Answer

The slope of a line through points $(x_1, y_1)$ and $(x_2, y_2)$ is given by $\frac{y_2 - y_1}{x_2 - x_1}$. Here, since $x_1 = x_2 = 7$, the denominator of the slope formula is 0, which means the slope is undefined. This indicates a vertical line.

Find the Slope of the Line Through the Pair of Points