document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=840549>Question 840549</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the ellipse<BR>\n" );
document.write( "8x^2&#8722; 48x + 2y^2&#8722; 4y + 66 = 0,<BR>\n" );
document.write( "find:<BR>\n" );
document.write( "(a) the coordinates of the centre,<BR>\n" );
document.write( "(b) the coordinates of the foci,<BR>\n" );
document.write( "(c) the eccentricity,<BR>\n" );
document.write( "(d) the equations of the directrices.<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 #506240 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=506240\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ellipse<BR>\n" );
document.write( "foci | ((3, 1-sqrt(3))  |  (3, 1+sqrt(3)))=((3, -0.732051)  |  (3, 2.73205))<BR>\n" );
document.write( "vertices | (3, -1)  |  (3, 3)<BR>\n" );
document.write( "center | (3, 1)<BR>\n" );
document.write( "semimajor axis length | 2<BR>\n" );
document.write( "semiminor axis length | 1<BR>\n" );
document.write( "area | 2 pi=6.28319<BR>\n" );
document.write( "perimeter | 8 E(3/4)=9.68845<BR>\n" );
document.write( "focal parameter | 1/sqrt(3)=0.57735<BR>\n" );
document.write( "eccentricity | sqrt(3)/2=0.866025 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );