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1 January, 06:37

A parabola is located at (4,0), and the directrix is located at x = - 4.

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  1. 1 January, 06:51
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    focus = (h+p, k) = (0+p, 0)

    (4,0) = (p, 0)

    p = 4

    y^2 = 4px

    y^2 = 4 (4) x

    y^2 = 16x

    Equation of the directrix is x=h-p

    x = 0-4

    x = - 4
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