document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=73870>Question 73870</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the equaition of the line through the points (-5,-7) and (-6,-4).\r<BR>\n" );
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document.write( "A)  12; y=11*x+69\r<BR>\n" );
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document.write( "B)  11; y=12*x+68\r<BR>\n" );
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document.write( "C)  11; y=11*x+69\r<BR>\n" );
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document.write( "D)  12; y=12*x+68<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #52845 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=52845\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write the equaition of the line through the points (-5,-7) and (-6,-4). <BR>\n" );
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document.write( "slope = [-4--7]/[-6--5]= 3/-1 = -3<BR>\n" );
document.write( "The equation you want is y=mx+b<BR>\n" );
document.write( "You are told y=-7 when x=-5 and you just figured out tht m=-3 <BR>\n" );
document.write( "so you can solve for \"b\", as follows:<BR>\n" );
document.write( "-7 = -3(-5) + b<BR>\n" );
document.write( "b = -22<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "y = -3x - 22<BR>\n" );
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document.write( "Checking:<BR>\n" );
document.write( "(-5,-7): -7=-3*-5-22; -7 = 15-22; -7 = -7<BR>\n" );
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document.write( "(-6,-4): -4 = -3*-6 - 22; -4 = 18-22; -4 = -4<BR>\n" );
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document.write( "It checks.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H> </SPAN>\n" );
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