document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=597527>Question 597527</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1)    (x-4)^2/9+y^2+4y+4/25=1\r<BR>\n" );
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document.write( "Solve for y, find center, focus, name the curve\r<BR>\n" );
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document.write( "Would be very thankful for help in this have no clue where to start!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378281 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=378281\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x-4)^2/9+y^2+4y+4/25=1 <BR>\n" );
document.write( "Solve for y, find center, focus, name the curve <BR>\n" );
document.write( "(x-4)^2/9+(y^2+4y+4)/25=1<BR>\n" );
document.write( "(x-4)^2/9+(y+2)^2/25=1<BR>\n" );
document.write( "This is an equation of an ellipse with vertical major axis of the standard form:<BR>\n" );
document.write( "x-h)^2/b^2+(y-k)^2/a^2, a>b, (h,k)=(x,y) coordinates of center<BR>\n" );
document.write( "For given equation:(x-4)^2/9+(y+2)^2/25=1<BR>\n" );
document.write( "center:(4,-2)<BR>\n" );
document.write( "a^2=25<BR>\n" );
document.write( "b^2=9<BR>\n" );
document.write( "c^2=a^2-b^2=25-9=16<BR>\n" );
document.write( "c=&#8730;16=4<BR>\n" );
document.write( "focus: (4,-2±c)=(4-2±4)=(4,-6) and (4,2)<BR>\n" );
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