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Mathematics 17 Online
OpenStudy (anonymous):

what is the equation of the directrix? x=(1/4)y^2

OpenStudy (mertsj):

y^2=4px y^2=4x in your problem p = 1

OpenStudy (mertsj):

This parabola opens to the right so the directrix is a vertical line p units to the left of the vertex.

OpenStudy (anonymous):

is p the direcrtrix?

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