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    springsnow2 Posts: 2, Reputation: 1
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    #1

    Jul 14, 2010, 11:31 AM
    find an equation of a parabola
    find an equation of a parabola given Focus (0,3) coordinate point on parabola is (2, 5).
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Jul 14, 2010, 01:27 PM

    There is not enough info for a unique solution. There are many parabolas that could fit this criteria.

    One would be if it's axis were parallel to the y-axis.

    The parabola could also have its axis parallel to the x-axis and have another equation that satisfies the conditions.

    .

    (h,k) are the coordinates of the vertex. P is the distance from the vertex to the focus.
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