document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=250804>Question 250804</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the system\r<BR>\n" );
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document.write( "x^2/16 + y^2/25 =1<BR>\n" );
document.write( "x^2+y^2 =25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #184468 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=184468\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have the following original formulas:<BR>\n" );
document.write( "(i)  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2F16+%2B+y%5E2%2F25+=+1 ALIGN=MIDDLE  ALT=\"x%5E2%2F16+%2B+y%5E2%2F25+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(ii) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2++++%2B+y%5E2++++=+25 ALIGN=MIDDLE  ALT=\"x%5E2++++%2B+y%5E2++++=+25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "multiply the first equation by 400.<BR>\n" );
document.write( "(iii) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25x%5E2+%2B+16y%5E2+=+400 ALIGN=MIDDLE  ALT=\"25x%5E2+%2B+16y%5E2+=+400\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(iv) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2++++%2B+++y%5E2+=+25 ALIGN=MIDDLE  ALT=\"x%5E2++++%2B+++y%5E2+=+25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "multiply (iv) by -16.<BR>\n" );
document.write( "(v)  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25x%5E2++%2B+16y%5E2+=+400 ALIGN=MIDDLE  ALT=\"25x%5E2++%2B+16y%5E2+=+400\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(vi) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-16x%5E2+-+16y%5E2+=+-400 ALIGN=MIDDLE  ALT=\"-16x%5E2+-+16y%5E2+=+-400\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "add (v) and (vi).<BR>\n" );
document.write( "9x^2 = 0; x = 0.<BR>\n" );
document.write( "If X = 0, then Y = +-5.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );