document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=801727>Question 801727</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Foci: (+-5,0), major axis of length 26. Write in ellipse standard form\r<BR>\n" );
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document.write( "Thank you for taking time </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #483615 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=483615\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Foci: (+-5,0), major axis of length 26. Write in ellipse standard form <BR>\n" );
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document.write( "Given ellipse has a horizontal major axis with center at the origin.<BR>\n" );
document.write( "Its standard form of equation: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2Fa%5E2%2By%5E2%2Fb%5E2=1 ALIGN=MIDDLE  ALT=\"x%5E2%2Fa%5E2%2By%5E2%2Fb%5E2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "..<BR>\n" );
document.write( "center:(0,0)<BR>\n" );
document.write( "given length of major axis=26=2a<BR>\n" );
document.write( "a=13<BR>\n" );
document.write( "a^2=169<BR>\n" );
document.write( "c=5(distance from center to foci)<BR>\n" );
document.write( "c^2=a^2-b^2<BR>\n" );
document.write( "b^2=a^2-c^2=169-25=144<BR>\n" );
document.write( "equation of given ellipse:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2F169%2By%5E2%2F144=1 ALIGN=MIDDLE  ALT=\"x%5E2%2F169%2By%5E2%2F144=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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