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30 November, 05:10

A general formula for a parabola is y2 = 4px. What is the value of p in the equation y2 = - 4x?

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  1. 30 November, 06:54
    0
    Easy

    compare

    y²=4px vs

    y²=-4x

    y²=y²

    4px=-4x

    divide both sides by x

    4p=-4

    divide both sides by 4

    p=-1

    p=-1
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