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Thread: finding center point of a circle

  1. Jan 22nd 2013, 07:15 PM #1
    ajones83
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    finding center point of a circle

    ok Im 17 years out of algebra and hit a road block......

    x2 + y2=25 is my equation

    what are the steps to finding the center point from just this information?
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  2. Jan 22nd 2013, 08:32 PM #2
    ibdutt
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    Re: finding center point of a circle

    Just put the LHS in the form (x-h)^2 + ( y-k)^2=a^2, then the centre is the point (h,k) and radius is a.
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