Find the center and radius of the sphere. Select the correct answer.
$$x ^ { 2 } - 4 x - 24 + y ^ { 2 } + 16 y + z ^ { 2 } - 12 z = 0$$
A) $C ( - 1 , - 8 , - 9 ) , r = \sqrt { 2 }$
B) $C ( 1 , - 8 , - 9 ) , r = 4$
C) $C ( - 1 , - 8 , - 9 ) , r = 4 \sqrt { 2 }$
D) $C ( - 1 , - 8 , - 9 ) , r = 4$
E) none of these

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The Answer of Find the center and radius of the sphere. Select the correct answer.
$$x ^ { 2 } - 4 x - 24 + y ^ { 2 } + 16 y + z ^ { 2 } - 12 z = 0$$
A) $C ( - 1 , - 8 , - 9 ) , r = \sqrt { 2 }$
B) $C ( 1 , - 8 , - 9 ) , r = 4$
C) $C ( - 1 , - 8 , - 9 ) , r = 4 \sqrt { 2 }$
D) $C ( - 1 , - 8 , - 9 ) , r = 4$
E) none of these

Find the Center and Radius of the Sphere x2−4x−24+y2+16y+z2−12z=0x ^ { 2 } - 4 x - 24 + y ^ { 2 } + 16 y + z ^ { 2 } - 12 z = 0x2−4x−24+y2+16y+z2−12z=0

Find the Center and Radius of the Sphere $x ^ { 2 } - 4 x - 24 + y ^ { 2 } + 16 y + z ^ { 2 } - 12 z = 0$