Find the vertex, focus, and directrix of the parabola with the given equation.(y + 3)2 = 16x
A. vertex: (0, -3)
focus: (4, -3)
directrix: x = -4
B. vertex: (0, -3)
focus: (-3, -3)
directrix: x = -4
C. vertex: (0, 3)
focus: (3, 3)
directrix: x = -5
D. vertex: (-3, 0)
focus: (4, -3)
directrix: x = -7
Answer: A
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