Find an Equation of the Line with Slope M That $(-9,4)$

Multiple Choice

Find an equation of the line with slope m that passes through the given point. Put the answer in slope-intercept form.
- $(-9,4)$ , undefined slope

A) $y=4$
B) $y=x-\frac{9}{4}$
C) $y=x+\frac{9}{4}$
D) $x=-9$