document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1020041>Question 1020041</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a line contains the points (4,2) and 0,1). what is the equation of the line?\r<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 #635997 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=635997\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "Gradient (Slope) = y2 - y1/x2 - x1<BR>\n" );
document.write( "Gradient (Slope) = 1 - 2/0 - 4 = -1/-4 = 1/4<BR>\n" );
document.write( "Using line equation y - b = m(x - a)<BR>\n" );
document.write( "m = 1/4<BR>\n" );
document.write( "(a,b) = (4,2)<BR>\n" );
document.write( "y - 2 = 1/4(x - 4)<BR>\n" );
document.write( "y - 2 = 1/4x - 1<BR>\n" );
document.write( "y = 1/4x - 1 + 2<BR>\n" );
document.write( "y = 1/4x + 1<BR>\n" );
document.write( "or multiply through by 4<BR>\n" );
document.write( "4y = x + 4<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
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