document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=386107>Question 386107</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the eccentricity of the ellipse given by: x^2/144 + y^2/63 = 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278096 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=278096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given: x^2/144 + y^2/63 = 1<BR>\n" );
document.write( "Standard form of ellipse: x^2/a^2 + y^2/b^2 =1, a>b\r<BR>\n" );
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document.write( "a^2=144<BR>\n" );
document.write( "a=12<BR>\n" );
document.write( "b^2=63<BR>\n" );
document.write( "b=sqrt(63)<BR>\n" );
document.write( "c^2=a^2-b^2<BR>\n" );
document.write( "c=sqrt(a^2-b^2)=sqrt(144-63)=sqrt(81)=9<BR>\n" );
document.write( "eccentricity = c/a=9/12=.75\r<BR>\n" );
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document.write( "ans: eccentricity of given ellipse = .75 </SPAN>\n" );
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