Find the vertex, focus, and directrix of the parabola.x2 = -8y
A. vertex: (0, 0)
focus: (0, 2)
directrix: y = -2
B. vertex: (0, 0)
focus: (0, -2)
directrix: y = 2
C. vertex: (0, 0)
focus: (2, 0)
directrix: x = -2
D. vertex: (0, 0)
focus: (-2, 0)
directrix: x = 2
Answer: B
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