document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1031015>Question 1031015</A>: <I><SPAN STYLE=\"word-break: break-all;\"> X squared + y squared = 4<BR>\n" );
document.write( "Y minus X = 1\r<BR>\n" );
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document.write( "We have to solve the system it says... But my teacher says that all we have to solve for is X and Y because it's a longer problem.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #645747 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=645747\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Yes, from <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+y%5E2+=+4 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+y%5E2+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+-+x+=+1 ALIGN=MIDDLE  ALT=\"y+-+x+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "we solve the second one and substitute into the first one...we get<BR>\n" );
document.write( "y = x + 1 and then<BR>\n" );
document.write( "x^2 + (x+1)^2 = 4<BR>\n" );
document.write( "x^2 + x^2 + 2x + 1 = 4<BR>\n" );
document.write( "2x^2 + 2x - 3 = 0<BR>\n" );
document.write( "This cannot be factored so we use the quadratic formula...<BR>\n" );
document.write( "x = (-2 + sqrt(4 + 24))/4 = (-2 + sqrt(28))/4 = (-1 + sqrt(7))/2<BR>\n" );
document.write( "and<BR>\n" );
document.write( "x = (-2 - sqrt(4 + 24))/4 = (-2 - sqrt(28))/4 = (-1 - sqrt(7))/2<BR>\n" );
document.write( "Plug in and solve for y, as in y = x + 1... </SPAN>\n" );
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