document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1100429>Question 1100429</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following equations represents an ellipse having a major axis of length 18 and foci located at 4,7) and 4,11)? (There's supposed to be a parenthesis there I can't put it something pops up.) I'm doing all this on my computer there really hasent been any examples on how to do these and there's no teacher lecturing all this which is why I need help with all these.\r<BR>\n" );
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document.write( "A.(x-9)^2/81+(y-4)^2/4=1<BR>\n" );
document.write( "B.(x-4)^2/77+(y-9)^2/81=1<BR>\n" );
document.write( "C.(x-9)^2/77+(y-4)^2/81=1<BR>\n" );
document.write( "D.(x-4)^2/81+(y-9)^2/77=1<BR>\n" );
document.write( "I don't think it's D or A<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #715005 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=715005\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Calculate the semi-minor length using,<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=%2811-7%29%2F2=4%2F2=2 ALIGN=MIDDLE  ALT=\"c=%2811-7%29%2F2=4%2F2=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%5E2=9%5E2-a%5E2 ALIGN=MIDDLE  ALT=\"2%5E2=9%5E2-a%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2=81-4 ALIGN=MIDDLE  ALT=\"a%5E2=81-4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2=77 ALIGN=MIDDLE  ALT=\"a%5E2=77\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-4%29%5E2%2F77%2B%28y-9%29%5E2%2F81=1 ALIGN=MIDDLE  ALT=\"%28x-4%29%5E2%2F77%2B%28y-9%29%5E2%2F81=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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