document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=974269>Question 974269</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the length of the major axis of an ellipse (x-1)^2/25 + (y+7)^2/81 = 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #596241 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=596241\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what is the length of the major axis of an ellipse <BR>\n" );
document.write( "(x-1)^2/25 + (y+7)^2/81 = 1<BR>\n" );
document.write( "This is an equation of an ellipse with vertical major axis<BR>\n" );
document.write( "Its standard form: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-h%29%5E2%2Fb%5E2%2B%28y-k%29%5E2%2Fa%5E2=1 ALIGN=MIDDLE  ALT=\"%28x-h%29%5E2%2Fb%5E2%2B%28y-k%29%5E2%2Fa%5E2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, a>b, (h,k)=coordinates of center<BR>\n" );
document.write( "For given ellipse:<BR>\n" );
document.write( "a^2=81<BR>\n" );
document.write( "a=9<BR>\n" );
document.write( "length of the major axis=2a=18 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );