document.write( "Question 1101114: how to find the radius and center of 25x^2+25y^2-20x+30y+13=0
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #715699 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
how to find the radius and center of 25x^2+25y^2-20x+30y+13=0
\n" ); document.write( "---------
\n" ); document.write( "Complete the squares of x & y separately
\n" ); document.write( "---
\n" ); document.write( " $\"25x%5E2%2B25y%5E2-20x%2B30y+=+-13\"$
\n" ); document.write( " $\"x%5E2+-+0.8x+%2B+y%5E2+%2B+0.6y+=+-0.52\"$
\n" ); document.write( " $\"x%5E2+-+0.8x+0.16+%2B+y%5E2+%2B+0.6y+%2B+0.09+=+-0.52%2B0.16%2B0.09\"$
\n" ); document.write( " $\"%28x+-+0.4%29%5E2+%2B+%28y+-++0.3%29%5E2+=+-0.27\"$
\n" ); document.write( "The r^2 term is negative.
\n" ); document.write( "Not a circle.
\n" ); document.write( "Typo maybe?
\n" ); document.write( "--------- \n" ); document.write( "

\n" );