document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1045771>Question 1045771</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the general equation if the locus of a point which moves so that the sum of its distances from point (2,1) and (8,1) is 10? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #661260 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39621)</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=661260\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The way this starts is, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%28x-2%29%5E2%2B%28y-1%29%5E2%29%2Bsqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29=10 ALIGN=MIDDLE  ALT=\"sqrt%28%28x-2%29%5E2%2B%28y-1%29%5E2%29%2Bsqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29=10\"   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=sqrt%28%28x-2%29%5E2%2B%28y-1%29%5E2%29=10-sqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%28%28x-2%29%5E2%2B%28y-1%29%5E2%29=10-sqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Square both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%5E2%2B%28y-1%29%5E2=100-20%2Asqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29%2B%28%28x-8%29%5E2%2B%28y-1%29%5E2%29 ALIGN=MIDDLE   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=%28x-1%29%5E2%2B%28y-1%29%5E2=100-20%2Asqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29%2B%28x-8%29%5E2%2B%28y-1%29%5E2 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Notice the expression <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y-1%29%5E2 ALIGN=MIDDLE  ALT=\"%28y-1%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > shown summed on both sides.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%5E2=100-20%2Asqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29%2B%28x-8%29%5E2 ALIGN=MIDDLE  ALT=\"%28x-1%29%5E2=100-20%2Asqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29%2B%28x-8%29%5E2\"   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=%28x-1%29%5E2-100-%28x-8%29%5E2=-20%2Asqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29 ALIGN=MIDDLE  ALT=\"%28x-1%29%5E2-100-%28x-8%29%5E2=-20%2Asqrt%28%28x-8%29%5E2%2B%28y-1%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Square both sides again.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28x-1%29%5E2-%28x-8%29%5E2-100%29%5E2=400%28%28x-8%29%5E2%2B%28y-1%29%5E2%29 ALIGN=MIDDLE  ALT=\"%28%28x-1%29%5E2-%28x-8%29%5E2-100%29%5E2=400%28%28x-8%29%5E2%2B%28y-1%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Not yet finished </SPAN>\n" );
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