document.write( "Question 1134505: Find an equation of the circle whose diameter has endpoints (-5,-5) and (3,1)\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #751908 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Find the center of the endpoints
\n" ); document.write( "\"+h+=+%28+-5+%2B+3+%29%2F2+\"
\n" ); document.write( "\"+h+=+-2%2F2+\"
\n" ); document.write( "\"+h+=+-1+\"
\n" ); document.write( "and
\n" ); document.write( "\"+k+=+%28+-5+%2B+1+%29%2F2+\"
\n" ); document.write( "\"+k+=+-4%2F2+\"
\n" ); document.write( "\"+k+=+-2+\"
\n" ); document.write( "---------------------------
\n" ); document.write( "The center is at ( -1, -2 )
\n" ); document.write( "\"+%28+x+-+h+%292+%2B+%28+y+-+k+%29%5E2+=+r%5E2+\"
\n" ); document.write( "-----------------------------------
\n" ); document.write( "Find the length of the radius
\n" ); document.write( "\"+d%5E2+=+%28+3+-%28-5%29+%29%5E2+%2B+%28+1+-%28-5%29+%29%5E2+\"
\n" ); document.write( "\"+d%5E2+=+64+%2B+36+\"
\n" ); document.write( "\"+d%5E2+=+100+\"
\n" ); document.write( "\"+d+=+10+\"
\n" ); document.write( "\"+r+=+5+\"
\n" ); document.write( "--------------------
\n" ); document.write( "\"+%28+x+-%28-1%29+%29%5E2+%2B+%28+y+-%28-2%29+%29%5E2+=+5%5E2+\"
\n" ); document.write( "\"+%28+x+%2B+1+%29%5E2+%2B+%28+y+%2B+2+%29%5E2+=+25+\"
\n" ); document.write( "-----------------------------------------
\n" ); document.write( "check:
\n" ); document.write( "( -5,-5 )
\n" ); document.write( "\"+%28+-5+%2B+1+%29%5E2+%2B+%28+-5+%2B+2+%29%5E2+=+25+\"
\n" ); document.write( "\"+16+%2B+9++=+25+\"
\n" ); document.write( "OK
\n" ); document.write( "( 3,1 )
\n" ); document.write( "\"+%28+3+%2B+1+%29%5E2+%2B+%28+1+%2B+2+%29%5E2+=+25+\"
\n" ); document.write( "\"+16+%2B+9+=+25+\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" ); document.write( "
\n" );