Identify the Center and Radius of the Circle Below $$x ^ { 2 } + y ^ { 2 } + 10 x + 10 y - 5 = 0$$

Multiple Choice

Identify the center and radius of the circle below.
$$x ^ { 2 } + y ^ { 2 } + 10 x + 10 y - 5 = 0$$

A) Center: $( 5,5 )$
Radius: $\sqrt { 15 }$
B) Center: $( - 5 , - 5 )$
Radius: $\sqrt { 15 }$
C) Center: $( 5,5 )$
Radius: $\sqrt { 55 }$
D) Center: $( - 5 , - 5 )$
Radius: $\sqrt { 55 }$
E) Center: $( - 10 , - 10 )$
Radius: $\sqrt { 205 }$