document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1086893>Question 1086893</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation of the circle which passes through the points (-3,-4),(2,1), and (-6,5). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #701131 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=701131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the general equation of a circle,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2By%5E2%2BAx%2BBy%2BC=0 ALIGN=MIDDLE  ALT=\"x%5E2%2By%5E2%2BAx%2BBy%2BC=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So for (-3,-4),<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-3%29%5E2%2B%28-4%29%5E2%2BA%28-3%29%2BB%28-4%29%2BC=0 ALIGN=MIDDLE  ALT=\"%28-3%29%5E2%2B%28-4%29%5E2%2BA%28-3%29%2BB%28-4%29%2BC=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2B16-3A-4B%2BC=0 ALIGN=MIDDLE  ALT=\"9%2B16-3A-4B%2BC=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3A%2B4B-C=25 ALIGN=MIDDLE  ALT=\"3A%2B4B-C=25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".\r<BR>\n" );
document.write( "\n" );
document.write( "(2,1):<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282%29%5E2%2B%281%29%5E2%2BA%282%29%2BB%281%29%2BC=0 ALIGN=MIDDLE  ALT=\"%282%29%5E2%2B%281%29%5E2%2BA%282%29%2BB%281%29%2BC=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2B1%2B2A%2BB%2BC=0 ALIGN=MIDDLE  ALT=\"4%2B1%2B2A%2BB%2BC=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2A%2BB%2BC=-5 ALIGN=MIDDLE  ALT=\"2A%2BB%2BC=-5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "(-6,5),<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-6%29%5E2%2B%285%29%5E2%2BA%28-6%29%2BB%285%29%2BC=0 ALIGN=MIDDLE  ALT=\"%28-6%29%5E2%2B%285%29%5E2%2BA%28-6%29%2BB%285%29%2BC=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=36%2B25-6A%2B5B%2BC=0 ALIGN=MIDDLE  ALT=\"36%2B25-6A%2B5B%2BC=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "3.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6A-5B-C=61 ALIGN=MIDDLE  ALT=\"6A-5B-C=61\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Eliminate C;<BR>\n" );
document.write( "Add 1 and 2,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2A%2BB%2BC%2B3A%2B4B-C=-5%2B25 ALIGN=MIDDLE  ALT=\"2A%2BB%2BC%2B3A%2B4B-C=-5%2B25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5A%2B5B=20 ALIGN=MIDDLE  ALT=\"5A%2B5B=20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "4.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2BB=4 ALIGN=MIDDLE  ALT=\"A%2BB=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Add 2 and 3,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2A%2BB%2BC%2B6A-5B-C=-5%2B61 ALIGN=MIDDLE  ALT=\"2A%2BB%2BC%2B6A-5B-C=-5%2B61\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8A-4B=56 ALIGN=MIDDLE  ALT=\"8A-4B=56\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "5.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2A-B=14 ALIGN=MIDDLE  ALT=\"2A-B=14\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Add 4 and 5 to eliminate B,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2BB%2B2A-B=14%2B4 ALIGN=MIDDLE  ALT=\"A%2BB%2B2A-B=14%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3A=18 ALIGN=MIDDLE  ALT=\"3A=18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=6 ALIGN=MIDDLE  ALT=\"A=6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now back substitute and find B and C to complete the circle.<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/display-illustration.mpl?tutor=Fombitz&illustration_name=lp1.JPG\">.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );