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Mathematics 7 Online
OpenStudy (anonymous):

Derive the equation of the parabola with a focus at (4, −7) and a directrix of y = −15. Put the equation in standard form.

OpenStudy (anonymous):

Will fan AND medal

OpenStudy (anonymous):

@mathmate

OpenStudy (anonymous):

@TheGlader

OpenStudy (anonymous):

did you try to make a sketch?

OpenStudy (anonymous):

Yes. I would show u but I can't draw on here, I'm bad at it

OpenStudy (anonymous):

|dw:1434930834277:dw|

OpenStudy (anonymous):

Can you tell the coordinate of the vertex?

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