Find the equation of the parabola with the given focus and directrix.

A. x = - y2
B. y = - x2
C. y = -2x2
D. y = -8x2

Answer: B

Mathematics

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C.
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/> = - -  +  -  = 

A.
B. {(-2, 1, 7)}
C. {(-2, 1, -7)}
D.

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A. expressions B. equations C. neither

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