Find the Center and Radius of the Circle $$x ^ { 2 } + y ^ { 2 } + 18 x - 4 y + 76 = 0$$

Multiple Choice

Find the center and radius of the circle.
- $$x ^ { 2 } + y ^ { 2 } + 18 x - 4 y + 76 = 0$$

A) center: (-2, 9) ; radius: 9
B) center: (9, -2) ; radius: 9
C) center: (2, -9) ; radius: 3
D) center: (-9, 2) ; radius: 3