document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=436283>Question 436283</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find foci of the ellipse (x^2)/16+(y^2)/36=1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #301827 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=301827\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since b>a, we have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2=b%5E2-a%5E2 ALIGN=MIDDLE  ALT=\"c%5E2=b%5E2-a%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, substitute a=4 and b=6,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2=36-16=20 ALIGN=MIDDLE  ALT=\"c%5E2=36-16=20\"   DISABLED_style= \"max-width:90%; height:auto;\" > Thus, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=2sqrt%285%29 ALIGN=MIDDLE  ALT=\"c=2sqrt%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=-2sqrt%285%29 ALIGN=MIDDLE  ALT=\"c=-2sqrt%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Therefore the foci of our ellipse will be: (0,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2sqrt%285%29 ALIGN=MIDDLE  ALT=\"2sqrt%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >) and \r<BR>\n" );
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document.write( "(0, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2sqrt%285%29 ALIGN=MIDDLE  ALT=\"-2sqrt%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >). </SPAN>\n" );
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