The polar equation of a circle is given. Give polar coordinates for the center of the circle and identify its radius.
-$$\mathrm { r } = 6 \cos \theta$$
A) $\mathrm { C } ( 3,0 )$, radius $= 3$
B) $\left( 3 , \frac { \pi } { 2 } \right)$, radius $= 3$
C) $\left( 6 , \frac { \pi } { 2 } \right)$, radius $= 6$
D) $\mathrm { C } ( 6,0 )$, radius $= 6$

Question

Quizplus · Accepted Answer

The polar equation $r = 6\cos\theta$ represents a circle with a center at polar coordinates $(3,0)$ and a radius of 3.

The Polar Equation of a Circle Is Given r=6cos⁡θ\mathrm { r } = 6 \cos \thetar=6cosθ

The Polar Equation of a Circle Is Given $\mathrm { r } = 6 \cos \theta$