Find the vertex, focus, and directrix of the parabola. Graph the equation.x2 = -16y
A. vertex: (0, 0)
focus: (4, 0)
directrix: x = -4
B. vertex: (0, 0)
focus: (0, -4)
directrix: y = 4
C. vertex: (0, 0)
focus: (-4, 0)
directrix: x = 4
D. vertex: (0, 0)
focus: (0, 4)
directrix: y = -4
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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A. 
B. 
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A. 28 B. 32 C. 40 D. 36
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Solve: 
A. 
B. 
C. 
D. 
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