Find the vertex, focus, and directrix of the parabola. Graph the parabola.y2 = -16x
A. vertex: (0, 0)
focus: (0, -4)
directrix: y = 4
B. vertex: (0, 0)
focus: (4, 0)
directrix: x = -4
C. vertex: (0, 0)
focus: (-4, 0)
directrix: x = 4
D. vertex: (0, 0)
focus: (0, -4)
directrix: y = 4
Answer: C
Mathematics
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