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

    Apr 16, 2012, 12:09 PM
    Find vertex of parabola given the equation x^2 2x - 4y 17
    X^2 + 2x - 4y + 17 = 0
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Apr 17, 2012, 05:46 AM
    Rearrange the equation to put it into the stabdard formL:



    Then the vertex is the point . And for future reference: p is the distance between the focus and the vertex.
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