document.write( "Question 1052358: Find the center and radius of the following circle and sketch the graph. \r
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document.write( "X2^ - 2x + y2^ + 8y - 5 = 0 \n" );
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Algebra.Com's Answer #667729 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x^2-2x+y^2+8y=5, moving the 5 across \n" ); document.write( "complete each square, so x^2-2x+1 and y^2+8y+16 \n" ); document.write( "(x-1)^2+(y+4)^2=5+1+16; you have to add 1 and 16 to the other side, because they were suddenly added to the left. \n" ); document.write( "The center is at (1,-4), and the radius is sqrt (22) \n" ); document.write( " |