Solve the problem.Find the equation of the sphere with center = (0, -1, 2) and radius = 5.

A. x2 + (y + 1)2 + (z + 2)2 = 25
B. x2 - (y + 1)2 - (z - 2)2 = 25
C. x2 + (y + 1)2 + (z - 2)2 = 25
D. x2 + (y - 1)2 + (z - 2)2 = 25


Answer: C

Mathematics

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A.  =  = 
B.  =  = 
C.  = 1,  = 1
D.  =  = 

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Determine the real solutions to the system of nonlinear equations.xy - x2 = -20x - 2y = 3

A. (-5, -1), 
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C. (5, 1), 
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List the intercepts for the graph of the equation.y = x4 - 1

A. (0, 1) B. (0, -1), (-1, 0), (1, 0) C. (0, -1) D. (0, 1), (-1, 0), (1, 0)

Mathematics