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4 October, 20:26

A circle is described by the equation x2 + y2 + 14x + 2y + 14 = 0. What are the coordinates for the center of the circle and the length of the radius?

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  1. 4 October, 22:49
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    Hello,

    x²+2*7x+49+y²+2y+1+14-49-1=0

    ==> (x+7) ² + (y+1) ²=36

    Center is (-7,-1) and radius 6.
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