Find the focus and directrix of the parabola with the given equation.x2 = -16y

A. focus: (0, 4)
directrix: y = -4
B. focus: (0, -4)
directrix: y = 4
C. focus: (0, -4)
directrix: y = -4
D. focus: (-8, 0)
directrix: x = 4


Answer: B

Mathematics

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