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

Multiple Choice

Find an equation in slope-intercept form (where possible) for the line.
-Through $(-5,10)$ and $(-5,-7)$

A) $x=-5$
B) $\frac{7}{10} x+10 y=0$
C) $\frac{10}{7} x-7 y=0$
D) $y=10$