The focus of the parabols x2=−16y is

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Question

The focus of the parabols

x^{2} = - 16 y

is

Options:

A . (4, 0)

B . (0, 4)

C . (-4, 0)

D . (0, -4)

Answer: Option D
:
D
a = 4 , vertex = (0,0) , focus = (0,-4) .

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