Question

Find the standard form of the equation of the parabola with a vertex at the origin and a focus at (0, -7).

Answer 1

equation for a parabola (with a vertex along the y-axis in the negative direction) is y=-4px^2 where p is the distance between your focus and vertex. The distance between the origin and (0,-7) is 7, so your equation is y=-28x^2 in general form

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