document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=891632>Question 891632</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me solve this equation\r<BR>\n" );
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document.write( "Solve.\r<BR>\n" );
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document.write( "y^2=1-x^2<BR>\n" );
document.write( "x-2y=4<BR>\n" );
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document.write( "(4, 0) and (0, -2)<BR>\n" );
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document.write( "No Solution<BR>\n" );
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document.write( "(0, 4) and (-2, 0)<BR>\n" );
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document.write( "(4, 2) and (0, 0)<BR>\n" );
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document.write( "thanks in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #539904 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=539904\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y^2=1-x^2<BR>\n" );
document.write( "x-2y=4\r<BR>\n" );
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document.write( "Your system, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28y%5E2=1-x%5E2%2Cx-2y=4%29 ALIGN=MIDDLE  ALT=\"system%28y%5E2=1-x%5E2%2Cx-2y=4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=2y%2B4 ALIGN=MIDDLE  ALT=\"x=2y%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" >;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2=1-%282y%2B4%29%5E2 ALIGN=MIDDLE  ALT=\"y%5E2=1-%282y%2B4%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2=1-4y%5E2%2B16y%2B16 ALIGN=MIDDLE  ALT=\"y%5E2=1-4y%5E2%2B16y%2B16\"   DISABLED_style= \"max-width:90%; height:auto;\" >----MISTAKE HERE!<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2=1-%284y%5E2%2B16y%2B16%29 ALIGN=MIDDLE  ALT=\"y%5E2=1-%284y%5E2%2B16y%2B16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >----FIXED MISTAKE!<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2=1-4y%5E2-16y-16 ALIGN=MIDDLE  ALT=\"y%5E2=1-4y%5E2-16y-16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=1-5y%5E2-16y-16 ALIGN=MIDDLE  ALT=\"0=1-5y%5E2-16y-16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5y%5E2-16y-15=0 ALIGN=MIDDLE  ALT=\"-5y%5E2-16y-15=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%285y%5E2%2B16y%2B15=0%29 ALIGN=MIDDLE  ALT=\"highlight%285y%5E2%2B16y%2B15=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Discriminant, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16%5E2-4%2A5%2A15=256-300=highlight%28-44%3C0%29 ALIGN=MIDDLE  ALT=\"16%5E2-4%2A5%2A15=256-300=highlight%28-44%3C0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "NO REAL SOLUTION BECAUSE DISCRIMINANT IS NEGATIVE.\r<BR>\n" );
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document.write( "(EDIT:     Fixed Mistake) </SPAN>\n" );
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