document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1002386>Question 1002386</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the center and radius of the circle with the given equation. <BR>\n" );
document.write( "x^2+y^2-8y=9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #619320 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=619320\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "x^2+y^2-8y=9<BR>\n" );
document.write( "x^2 + y^2 - 8y - 9 = 0<BR>\n" );
document.write( "Centre is obtained by halving the integers before<BR>\n" );
document.write( "the x and y components and making them negative <BR>\n" );
document.write( "of the equation<BR>\n" );
document.write( "Centre (0, 4)<BR>\n" );
document.write( "...........<BR>\n" );
document.write( "Radius = sqrt x coord of centre squared +<BR>\n" );
document.write( "y coord of centre squared - the integer at <BR>\n" );
document.write( "the end of the equation (-9)<BR>\n" );
document.write( "Radius = sqrt of 0^2 + 4^2 + 9<BR>\n" );
document.write( "= sqrt25<BR>\n" );
document.write( "= 5<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );