document.write( "Question 409024: Find the center and radius of the circle with the equation\r
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document.write( "x^2 + 18x = y - y^2 - 61 \n" );
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Algebra.Com's Answer #288012 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! x^2 + 18x + y^2 - y = -61\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "completing the squares ___ (x^2 + 18x + 81) + (y^2 - y + .25) = -61 + 81 + .25\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x + 9)^2 + (y - .5)^2 = (4.5)^2 \n" ); document.write( " |