document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=151665>Question 151665</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation of an ellipse having the given intercepts:\r<BR>\n" );
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document.write( "x-intercept: ±3\r<BR>\n" );
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document.write( "y-intercept: ±4<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 #111880 by </B><A HREF=/tutors/aboutme.mpl?userid=orca><B>orca(409)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=orca><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=111880\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The ellipse has the form of <BR>\n" );
document.write( "x^2/a^2 + y^2/b^2 = 1<BR>\n" );
document.write( "As the x-intercept is +-3, so a = 3<BR>\n" );
document.write( "As the y-intercept is +-4, so b = 4<BR>\n" );
document.write( "Therefore the equation is<BR>\n" );
document.write( "x^2/3^2 + y^2/4^2 = 1<BR>\n" );
document.write( "or written as<BR>\n" );
document.write( "x^2/9 + y^2/16 = 1<BR>\n" );
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