document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=48473>Question 48473</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the system algebraically: x^2+y^2=20<BR>\n" );
document.write( "please help me<BR>\n" );
document.write( "thanks a lot </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #32074 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=32074\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ok, solve means \"where does the curve cross the x-axis?\" ie this is where y=0.\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5E2%2By%5E2=20+ ALIGN=MIDDLE  ALT=\"+x%5E2%2By%5E2=20+\"   DISABLED_style= \"max-width:90%; height:auto;\" > becomes<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5E2%2B%280%29%5E2=20+ ALIGN=MIDDLE  ALT=\"+x%5E2%2B%280%29%5E2=20+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5E2=20+ ALIGN=MIDDLE  ALT=\"+x%5E2=20+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=sqrt%2820%29+ ALIGN=MIDDLE  ALT=\"+x=sqrt%2820%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=-sqrt%2820%29+ ALIGN=MIDDLE  ALT=\"+x=-sqrt%2820%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "which are the 2 answers. However, we usually try to simplify a square root if possible. Here we can:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=sqrt%2820%29+ ALIGN=MIDDLE  ALT=\"+x=sqrt%2820%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=-sqrt%2820%29+ ALIGN=MIDDLE  ALT=\"+x=-sqrt%2820%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=sqrt%284%2A5%29+ ALIGN=MIDDLE  ALT=\"+x=sqrt%284%2A5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=-sqrt%284%2A5%29+ ALIGN=MIDDLE  ALT=\"+x=-sqrt%284%2A5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=sqrt%284%29sqrt%285%29+ ALIGN=MIDDLE  ALT=\"+x=sqrt%284%29sqrt%285%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=-sqrt%284%29sqrt%285%29+ ALIGN=MIDDLE  ALT=\"+x=-sqrt%284%29sqrt%285%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=2sqrt%285%29+ ALIGN=MIDDLE  ALT=\"+x=2sqrt%285%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=-2sqrt%285%29+ ALIGN=MIDDLE  ALT=\"+x=-2sqrt%285%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "jon<BR>\n" );
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