Find the Center and Radius of the Sphere $$x ^ { 2 } + y ^ { 2 } + z ^ { 2 } - 16 x + 6 y + 6 z + 18 = 0$$

Find the center and radius of the sphere.
$$x ^ { 2 } + y ^ { 2 } + z ^ { 2 } - 16 x + 6 y + 6 z + 18 = 0$$

A) center: $( - 8,3,3 )$ ; radius: 8
B) center: $( 8 , - 3 , - 3 )$ ; radius: 8
C) center: $( 8,3,3 )$ ; radius: 8
D) center: $( - 8,3,3 )$ ; radius: 64
E) center: $( 8 , - 3 , - 3 )$ ; radius: 64

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free