document.write( "Question 577657: I am working on graphing circles in algebra.\r
\n" ); document.write( "\n" ); document.write( "I have tried several ways to work this problem. I keep coming up with the same answers and I am at a loss to solve this equation.\r
\n" ); document.write( "\n" ); document.write( "Instructions are:
\n" ); document.write( "Graph circle.
\n" ); document.write( "x^2 + y^2 -2x +2y -7 =0\r
\n" ); document.write( "\n" ); document.write( "I came up with (2,-2) r=7
\n" ); document.write( "I am assuming this general form equation needs to be transformed into a standard form equation to find (h,k) and radius
\n" ); document.write( "I am not sure what to do differently from what I have tried.
\n" ); document.write( "I would appreciate your assistance in solving this problem.
\n" ); document.write( "Thank you.
\n" ); document.write( "

Algebra.Com's Answer #370255 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
x^2 + y^2 -2x +2y -7 =0\r
\n" ); document.write( "\n" ); document.write( "x^2-2x+4 +x^2+2y+4 -7 -8=0\r
\n" ); document.write( "\n" ); document.write( "(x-2)^2+(y+2)^2= 15\r
\n" ); document.write( "\n" ); document.write( "(2,-2) \"sqrt%2815%29\"
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