document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=868769>Question 868769</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation for the ellipse that satisfies the given conditions.\r<BR>\n" );
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document.write( "Endpoints of major axis: (+-10,0), distance between foci:6 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #523856 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=523856\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The major axis information means, a=5, and center of the ellipse is the origin.  the way that a, b, and c are related is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2%2Bb%5E2=c%5E2 ALIGN=MIDDLE  ALT=\"a%5E2%2Bb%5E2=c%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  This means that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2=a%5E2-c%5E2 ALIGN=MIDDLE  ALT=\"b%5E2=a%5E2-c%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  The distance 6 between foci here means since the center is midpoint of this segment focus to focus, c=3.  Find the value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2 ALIGN=MIDDLE  ALT=\"b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2=5%5E2-3%5E2=25-9=16 ALIGN=MIDDLE  ALT=\"b%5E2=5%5E2-3%5E2=25-9=16\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Equation of ellipse:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x%5E2%2F25%2By%5E2%2F16=1%29 ALIGN=MIDDLE  ALT=\"highlight%28x%5E2%2F25%2By%5E2%2F16=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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