Find an equation of a parabola satisfying the given conditions.Focus at (-1, -9), directrix y = -11

A. (x + 9)2 = 4(y + 10)
B. (x + 1)2 = 4(y + 10)
C. (y + 9)2 = 4(x + 1)
D. (x + 1)2 = 4(y + 9)


Answer: B

Mathematics

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