Mathematics
Mathematics, 04.09.2020 03:01, King1234564

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?
x²=ty
x² = 4y
y = 4x
y = -4x

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Answers: 3
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Do you know the correct answer?
A parabola with a vertex at (0,0) has a directrix that crosses the negative part of the y-axis.

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