document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=553903>Question 553903</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the ellipse centered at (0,0), with a vertex at (9,0) and co-vertex at (0,5). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #361112 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=361112\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the ellipse centered at (0,0), with a vertex at (9,0) and co-vertex at (0,5)<BR>\n" );
document.write( "**<BR>\n" );
document.write( "Equation is that of an ellipse with horizontal major axis of the standard form:<BR>\n" );
document.write( "(x-h)^/a^2+(y-k)^2/b^2=1, a>b, with(h,k) being the (x,y) coordinates of the center.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "length of horizontal major axis=18=2a<BR>\n" );
document.write( "a=9<BR>\n" );
document.write( "a^2=81<BR>\n" );
document.write( "..<BR>\n" );
document.write( "length of minor axis=10=2b<BR>\n" );
document.write( "b=5<BR>\n" );
document.write( "b^2=36<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Equation of ellipse:<BR>\n" );
document.write( "x^2/81+y^2/36=1 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );