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

question 108

Multiple Choice

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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