Find an equation for the sphere with the given center and radius.Center (-1, 0, 0), radius = 1
A. x2 + y2 + z2 + 2x = 1
B. x2 + y2 + z2 - 2x = 1
C. x2 + y2 + z2 - 2x = 0
D. x2 + y2 + z2 + 2x = 0
Answer: D
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