document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=491027>Question 491027</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write an equation for the line containing (-6, -6) and (-3, 1)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #334429 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=334429\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here are 2 examples using 2 different methods.<BR>\n" );
document.write( "Determinants is much simpler, imo.<BR>\n" );
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document.write( "Write the equation of the line AB that passes through the following points: <BR>\n" );
document.write( "A(-2,4) B(5,6)<BR>\n" );
document.write( "Find the slope, m = diffy/diffx<BR>\n" );
document.write( "m = (4-6)/(-2-5) = -2/-7<BR>\n" );
document.write( "m = 2/7<BR>\n" );
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document.write( "Use y = mx + b and either point to find b<BR>\n" );
document.write( "6 = (2/7)*5 + b<BR>\n" );
document.write( "b = 6 - 10/7<BR>\n" );
document.write( "b = 32/7<BR>\n" );
document.write( "y = mx + b<BR>\n" );
document.write( "y = (2/7)x + 32/7 Slope-intercept form<BR>\n" );
document.write( "2x - 7y = -32 Standard form<BR>\n" );
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document.write( "and A(-3,-4) B(2,8)<BR>\n" );
document.write( "Do it like the 1st one, or <BR>\n" );
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document.write( "Using determinants<BR>\n" );
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document.write( "|+x +y +1|<BR>\n" );
document.write( "|-3 -4 +1| = 0<BR>\n" );
document.write( "|+2 +8 +1|<BR>\n" );
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document.write( "x(-4-8) -y(-3-2) + (-24+8) = 0<BR>\n" );
document.write( "-12x + 5y = 16<BR>\n" );
document.write( "12x - 5y = -16 <BR>\n" );
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