Find an equation for the parabola described.Vertex at (9, 2); focus at (4, 2)
A. (x - 2)2 = 8(y - 2)
B. (y - 2)2 = -20(x - 9)
C. (x - 2)2 = -8(y - 2)
D. (y - 2)2 = 20(x - 9)
Answer: B
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