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8 July, 07:19

What is the center of the circle with the equation x2 + y2 - 10x - 11 = 0?

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  1. 8 July, 07:29
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    Rearrange to standard form:-

    x^2 - 10x + y^2 = 11

    (x - 5) ^2 - 25 + y^2 = 11

    (x - 5) ^2 + y^2 = 36

    Center of circle = (5, 0) and radius = sqrt36 = 6
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