document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1016654>Question 1016654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the line passing through the pair of points. Write the equation in the form Ax + By =C\r<BR>\n" );
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document.write( "Points are (-7,4) (-8,-5) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #633067 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=633067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, find the slope.<BR>\n" );
document.write( "m = (y2-y1) / (x2-x1) = (-5-4)/(-8-(-7)) = -9/-1 = 9<BR>\n" );
document.write( "Now plug one point and the slope into<BR>\n" );
document.write( "y = mx + b to find b...<BR>\n" );
document.write( "4 = 9(-7) + b<BR>\n" );
document.write( "b = 67<BR>\n" );
document.write( "so you have<BR>\n" );
document.write( "y = 9x + 67<BR>\n" );
document.write( "Now rearrange and get<BR>\n" );
document.write( "-9x + y = 67 </SPAN>\n" );
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