document.write( "Question 74046: can you help me with question?
\n" ); document.write( "this is from a hand out.
\n" ); document.write( "Find the center and radius of x^2+y^2-x+2y-3=0\r
\n" ); document.write( "\n" ); document.write( "I figured r=square root 17/2
\n" ); document.write( " and c=(0.5,-1)
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Algebra.Com's Answer #53152 by jim_thompson5910(35256) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2%2By%5E2-x%2B2y-3=0\"$
\n" ); document.write( " $\"x%5E2-x%2By%5E2%2B2y=3\"$
\n" ); document.write( " $\"x%5E2-x%2B1%2F4%2By%5E2%2B2y%2B1=3%2B1%2F4%2B1\"$
\n" ); document.write( " $\"%28x-1%2F2%29%5E2%2B%28y%2B1%29%5E2=%2817%2F4%29%5E2\"$
\n" ); document.write( "So you are right the center is (0.5,-1) with a radius of $\"sqrt%2817%29%2F2\"$
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