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PLEASE ANSWER QUICK 45 ACTUAL POINTS!

Find the standard form of the equation of the parabola with a focus at (0, 8) and a directrix at y = -8.

(The picture below are my answer choices)

PLEASE ANSWER QUICK 45 ACTUAL POINTS Find the standard form of the equation of the parabola with a focus at 0 8 and a directrix at y 8 The picture below are my class=

Respuesta :

twvogels
[tex]F=(0,f)=(0,8)[/tex]
[tex]y=-f=-(-8)[/tex]
[tex]y=\frac{1}{4f}x^{2}[/tex]
[tex]y=\frac{1}{4(-(-8))}x^{2}[/tex]
[tex]y=\frac{1}{32}x^{2}[/tex]

Need to be careful with the negative signs. 

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