Give the Coordinates of the Circle's Center and Its Radius $x ^ { 2 } + y ^ { 2 } - 64 = 0$

Multiple Choice

Give the coordinates of the circle's center and its radius. $x ^ { 2 } + y ^ { 2 } - 64 = 0$

A) (1, 1) ; r = 64
B) (0, 0) ; r = 8
C) (1, 1) ; r = 8
D) (0, 0) ; r = 64
E) none of these