Find the vertex, focus, and directrix of the parabola with the given equation.(y - 1)2 = 16x
A. vertex: (0, 1)
focus: (-6, 1)
directrix: x = -4
B. vertex: (0, 1)
focus: (4, 1)
directrix: x = -4
C. vertex: (0, -1)
focus: (6, -1)
directrix: x = -2
D. vertex: (1, 0)
focus: (4, 1)
directrix: x = -3
Answer: B
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