document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=702805>Question 702805</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the center of the circle given by the equation below?<BR>\n" );
document.write( "x2 - 16x + y2 - 18y = -129 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #433170 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=433170\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the center of the circle given by the equation below?<BR>\n" );
document.write( "x2 - 16x + y2 - 18y = -129<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Complete the square on the x and on the y terms:<BR>\n" );
document.write( "x^2 -16x + 64 + y^2 -18y + 81 = -129+64+81<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(x-8)^2 + (y-9)^2 = 16<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Center: (8,9)<BR>\n" );
document.write( "radius: sqrt(16) = 4<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "======================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );