Find the focus and directrix of the parabola with the given equation.x2 = 4y
A. focus: (0, -1)
directrix: x = -1
B. focus: (1, 0)
directrix: x = 1
C. focus: (1, 0)
directrix: y = 1
D. focus: (0, 1)
directrix: y = -1
Answer: D
Mathematics
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