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Mathematics 17 Online
OpenStudy (anonymous):

Write the equation of a parabola with a vertex at (0, 0) and a directrix y = -1.

OpenStudy (timaashorty):

\[y = \frac{ x^{2} }{ 4 }\] or\[4y- x^2= 0\]

OpenStudy (timaashorty):

\[\huge \ and\ welcome\ to \ openstudy!\]

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