Change $x^{2}+y^{2}-4 x-12 y=0$ Into an Equation in Polar Form $r=4 \cos \theta-12 \sin \theta$

Multiple Choice

Change $x^{2}+y^{2}-4 x-12 y=0$ into an equation in polar form.

A) $r=4 \cos \theta-12 \sin \theta$
B) $r=4 \cos \theta+12 \sin \theta$
C) $r^{2}=4 \cos \theta+12 \sin \theta$
D) $r=48 \cos \theta \sin \theta$