Mathematics

Mathematics, 05.02.2020 09:56, preservations

Find the standard form of the equation of the parabola with a vertex at the origin and a focus at (0, -7).
select one:
a. y = -1/7 x^2
b. y^2 = -7x
c. y = -1/28 x^2
d. y^2 = -28x

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