Find the Center and Radius of the Sphere $$x ^ { 2 } + y ^ { 2 } + z ^ { 2 } - 18 x - 10 y - 6 z = - 15$$

question 105

Multiple Choice

Find the center and radius of the sphere.
- $$x ^ { 2 } + y ^ { 2 } + z ^ { 2 } - 18 x - 10 y - 6 z = - 15$$

• A) C(9, 5, 3), a = 100
• B) C(-9, -5, -3), a = 10
• C) C(-9, -5, -3), a = 100
• D) C(9, 5, 3), a = 10

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