document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=722537>Question 722537</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write an equation of an ellipse with the given characteristics:\r<BR>\n" );
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document.write( "center: (-1,5)<BR>\n" );
document.write( "vertex: (3,5)<BR>\n" );
document.write( "co-vertex: (-1,7) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #442772 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=442772\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write an equation of an ellipse with the given characteristics: <BR>\n" );
document.write( "center: (-1,5)<BR>\n" );
document.write( "vertex: (3,5)<BR>\n" );
document.write( "co-vertex: (-1,7)<BR>\n" );
document.write( "***<BR>\n" );
document.write( "This is an ellipse with a horizontal major axis.(x-coordinates of center and vertex change, but y-coordinates do not)<BR>\n" );
document.write( "Its standard form of equation: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-h%29%5E2%2Fa%5E2%2B%28y-k%29%5E2%2Fb%5E2=1 ALIGN=MIDDLE  ALT=\"%28x-h%29%5E2%2Fa%5E2%2B%28y-k%29%5E2%2Fb%5E2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, a>b, (h,k)=(x,y) coordinates of center.<BR>\n" );
document.write( "For given ellipse:<BR>\n" );
document.write( "center: (-1,5)<BR>\n" );
document.write( "a=4 (center to vertex, (-1 to 3))<BR>\n" );
document.write( "a^2=16<BR>\n" );
document.write( "b=2 (5 to 7)<BR>\n" );
document.write( "b^2=4<BR>\n" );
document.write( "Equation: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B1%29%5E2%2F16%2B%28y-5%29%5E2%2F4=1 ALIGN=MIDDLE  ALT=\"%28x%2B1%29%5E2%2F16%2B%28y-5%29%5E2%2F4=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  </SPAN>\n" );
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