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    polkadot7003's Avatar
    polkadot7003 Posts: 1, Reputation: 1
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    #1

    May 13, 2009, 07:32 PM
    find vertex, parabola, directrix of the parabola equation
    Find the Vertex, Focus, Directrix of the parabola equation:

    x-(y^2)+4y-2=0
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    May 13, 2009, 08:16 PM
    Basically, all you have to do is put the equation in a "standard" form.

    Parabola - Wikipedia, the free encyclopedia

    I described how to do it in this post:

    https://www.askmehelpdesk.com/mathem...ow-350244.html
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