Mathematics, 09.12.2020 14:00 WOLFIEPOOF

A parabola with a vertex at (0, 0) has a directrix that crosses the negative part of the y-axis. Which could be the equation of the parabola?

A. x² = -4y
B. x² = 4y
C. y2 = 4x
D. y2 = -4x

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A parabola with a vertex at (0, 0) has a directrix that crosses the negative part of the y-axis. Wh...