Mathematics, 15.04.2020 17:43 shikiaanthony
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 = –4y
x2 = 4y
y2 = 4x
y2 = –4x
Answers: 3
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A parabola with a vertex at (0,0) has a directrix that crosses the negative part of the y-axis.
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