Find the slope of the line passing through the given pair of points.
-$ (-9,-4) $ and $ (-9,-9) $
A) $ -\frac{5}{18} $
B) Not defined
C) $ \frac{13}{18} $
D) 0

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 $\frac{y_2 - y_1}{x_2 - x_1}$. Here, since $x_1 = x_2 = -9$, the denominator becomes 0, which means the slope is undefined. This corresponds to a vertical line.

Find the Slope of the Line Passing Through the Given (−9,−4) (-9,-4) (−9,−4)

Find the Slope of the Line Passing Through the Given $(-9,-4)$