Find the Center and Radius of the Circle $( x + 9 ) ^ { 2 } + y ^ { 2 } = 49$

Multiple Choice

Find the center and radius of the circle.
- $( x + 9 ) ^ { 2 } + y ^ { 2 } = 49$

A) $( 0,9 ) , r = 7$
B) $( 9,0 ) , r = 49$
C) $( 0 , - 9 ) , \mathrm { r } = 49$
D) $( - 9,0 ) , r = 7$