document.write( "Question 382968: Find the center of a circle defined by the equation:7x^2+7y^2-98x-112y+679=0 \n" ); document.write( "

Algebra.Com's Answer #271298 by Fombitz(32388) $\"\"$ $\"About$

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Complete the square in x and y.
\n" ); document.write( " $\"7x%5E2%2B7y%5E2-98x-112y%2B679=0\"$
\n" ); document.write( " $\"%28x%5E2-14x%29%2B%28y%5E2-16y%29%2B97=0\"$
\n" ); document.write( " $\"%28x%5E2-14x%2B49%29%2B%28y%5E2-16y%2B64%29%2B97=49%2B64\"$
\n" ); document.write( " $\"%28x-7%29%5E2%2B%28y-8%29%5E2=13\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "Center:( $\"7\"$ , $\"8\"$ )
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