document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=34399>Question 34399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the equation of this line<BR>\n" );
document.write( "x  y<BR>\n" );
document.write( "2  4<BR>\n" );
document.write( "4  0<BR>\n" );
document.write( "6  -4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #20653 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=20653\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Graphing these three points we find the slope and the y intercept which give us the values for the equation y=mx+b (m=slope) & b=the y intercept\r<BR>\n" );
document.write( "\n" );
document.write( "Thus the slope is (ysub2-ysub1)/(xsub2-xsub1) or selecting any two points we get slope (2,4) & (6,-4) we get slope=(-4-4)/(6-2) or -8/4 or -2 for the slope (m). <BR>\n" );
document.write( "By drawing a line through these three points we get the y intercept @ y=8\r<BR>\n" );
document.write( "\n" );
document.write( "Now we have y=-2x+8 for the equation for these three points. \r<BR>\n" );
document.write( "\n" );
document.write( "The proof is in substituting all three sets of points into this equation and solving it. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );