Identify the Center and Radius of the Circle $$x ^ { 2 } - 10 x + y ^ { 2 } = 11$$

Multiple Choice

Identify the center and radius of the circle.
- $$x ^ { 2 } - 10 x + y ^ { 2 } = 11$$

A) Center: $( 10,0 ) ; \quad r = 36$
B) Center: $( 0 , - 5 ) ; \quad r = 6$
C) Center: $( 5,0 ) ; \quad r = 6$
D) Center: $( 10,0 ) ; \quad r = \sqrt { 11 }$