The Polar Equation of a Circle Is Given $r = - 4 \cos \theta$

question 63

Multiple Choice

The polar equation of a circle is given. Give polar coordinates for the center of the circle and identify its radius.
- $r = - 4 \cos \theta$

• A) \(\mathrm { C } ( - 2,0 )\), radius \(= 2\)
• B) \(\mathrm { C } ( - 4,0 )\), radius \(= 4\)
• C) \(\left( 2 , \frac { \pi } { 2 } \right)\), radius \(= 2\)
• D) \(\left( 4 , \frac { \pi } { 2 } \right)\), radius \(= 4\)

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