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11 November, 21:52

What is the focal length of the parabola with the equation shown below y-4=3/8x^2?

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  1. 11 November, 22:37
    0
    There is a formula for parabola

    y-k=1/4p (x-h) ²

    and the focal length is p

    So the answer is 2/3
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