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Mathematics 8 Online
OpenStudy (anonymous):

Find the standard form of the equation of the parabola with a focus at (0, -3) and a directrix at y = 3.

OpenStudy (anonymous):

@Astrophysics

OpenStudy (anonymous):

@phi

OpenStudy (phi):

it helps to plot the directrix and the focus

OpenStudy (anonymous):

Well I know the vertex is (0,0)

OpenStudy (phi):

|dw:1436389666695:dw|

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