Mathematics, 18.01.2020 07:31 999supergirl

Which equation represents a parabola that has a focus of (0, 0) and a directrix of y = 2?

x2=−4y
x2=−y
x2=−4(y−1)
x2=−(y−1)

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Which equation represents a parabola that has a focus of (0, 0) and a directrix of y = 2?

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