document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=887074>Question 887074</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the slope-intercept equation of the line that passes through (1,3) and (3,-3).\r<BR>\n" );
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document.write( "Please show the work so I can see how the problem was worked out.  Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #536339 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=536339\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The standard formula for a line is y = mx +b, where m is the slope and b is the y intercept<BR>\n" );
document.write( "m = (y2 - y1) / (x2 -x1) = (-3 -3) / (3 - 1) = -6/2 = -3<BR>\n" );
document.write( "so far we have<BR>\n" );
document.write( "y = -3x +b<BR>\n" );
document.write( "to calculate b, substitute for x and y using one of the points, let's pick (1, 3)<BR>\n" );
document.write( "3 = -3*(1) +b<BR>\n" );
document.write( "3 = -3 + b<BR>\n" );
document.write( "add 3 to both sides of =<BR>\n" );
document.write( "b = 6<BR>\n" );
document.write( "now we have the complete formula<BR>\n" );
document.write( "y = -3x +6<BR>\n" );
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