Find an equation in slope-intercept form (where possible) for the line.
-Through $ (7,-9) $, with undefined slope
A) $ \frac{9}{7} x+7 y=0 $
B) $ x=7 $
C) $ \frac{7}{9} x-9 y=0 $
D) $ y=-9 $

Question

Quizplus · Accepted Answer

A line with an undefined slope is a vertical line, which means all points on the line have the same x-coordinate. The equation for a vertical line through (7, -9) is $x = 7$.

Find an Equation in Slope-Intercept Form (Where Possible) for the Line