Find an Equation for the Sphere with the Given Center $x ^ { 2 } + y ^ { 2 } + z ^ { 2 } - 4 x = 77$

question 168

Multiple Choice

Find an equation for the sphere with the given center and radius.
-Center (-2, 0, 0) , radius = 9

• A) \(x ^ { 2 } + y ^ { 2 } + z ^ { 2 } - 4 x = 77\)
• B) \(x ^ { 2 } + y ^ { 2 } + z ^ { 2 } + 4 x = 77\)
• C) \(x ^ { 2 } + y ^ { 2 } + z ^ { 2 } - 4 x = 9\)
• D) \(x ^ { 2 } + y ^ { 2 } + z ^ { 2 } + 4 x = 9\)

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