document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=38901>Question 38901</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the center (h,k) of the ellipse with the equation<BR>\n" );
document.write( "9x^2-18x+4y^2+16y=11\r<BR>\n" );
document.write( "\n" );
document.write( "Thanks:) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24718 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=24718\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Okay from<BR>\n" );
document.write( "9x^2 - 18x + 4y^2 + 16y = 11<BR>\n" );
document.write( "9(x^2 - 2x + 1) + 4(y^2 + 4y + 4) = 11 + 9 + 16<BR>\n" );
document.write( "9(x - 1)^2 + 4(y + 2)^2 = 36<BR>\n" );
document.write( "(x - 1)^2 / 4 + (y + 2)^2 / 9 = 1<BR>\n" );
document.write( "center is at (1, -2) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );