document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=887412>Question 887412</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation of the line that passes through the points (2, 4) and (1, 2).<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 #536612 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=536612\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the equation of the line that passes through the points (2, 4) and (1, 2).<BR>\n" );
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document.write( "slope between two points:<BR>\n" );
document.write( "m = (y2-y1)/(x2-x1)<BR>\n" );
document.write( "m = (2-4)/(1-2)<BR>\n" );
document.write( "m = (-2)/(-1)<BR>\n" );
document.write( "m = 2<BR>\n" );
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document.write( "Now, use the slope (2) and either of the two given points (1,2) and plug it into the \"point-slope\" form<BR>\n" );
document.write( "y - y1 = m(x - x1)<BR>\n" );
document.write( "y - 2 = 2(x - 1)<BR>\n" );
document.write( "y - 2 = 2x - 2<BR>\n" );
document.write( "y = 2x (solution)\r<BR>\n" );
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