document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147479>Question 147479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me find:<BR>\n" );
document.write( "center, vertices, covertices and foci of the ellipse x^2/4+y^2/9=16<BR>\n" );
document.write( "Thank you so much!!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #107884 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=107884\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> center, vertices, covertices and foci of the ellipse x^2/4+y^2/9=16<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "x^2/64 + y^2/144 = 1<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "a = 8 ; b = 12;<BR>\n" );
document.write( "c = sqrt(12^2-8^2) = sqrt(80) = 4sqrt(5)<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "Center: (0,0)<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "vertices: <BR>\n" );
document.write( "(0,12) ; (0,-12)<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Foci:<BR>\n" );
document.write( "(0,4sqrt(5))<BR>\n" );
document.write( "(0,-4sqrt(5))<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );