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    Find the equation of the parabola using focus and directrix

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    Find the equation of the parabola with focus (3, -1) and directrix y = 5.

    A) x=-1/4(y+1)^2+3

    B) x=-1/4(y+1)^2+4

    C) y=-1/12(x-3)^2+2

    D) y=-1/12(x-3)^2-1

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    https://brainmass.com/math/algebra/find-the-equation-of-the-parabola-using-focus-and-directrix-7209

    Solution Summary

    The equation of the parabola is found using the focus and directrix.

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