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Math Help - General Form of a Circle

  1. #1
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    General Form of a Circle

    Find the general form of a circle with standard equation

    (x-1)^2 + y^2 = 16

    my answer

    x^2 + y^2 + -2x = 15

    I was just wondering if this is correct
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  2. #2
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    Quote Originally Posted by civiliam View Post
    Find the general form of a circle with standard equation

    (x-1)^2 + y^2 = 16

    my answer

    x^2 + y^2 + -2x = 15

    I was just wondering if this is correct
    => x^2 + y^2 - 2x = 15.
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