document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=433090>Question 433090</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A line passes through (-2,4) and (3,9).  Could you please show me how to write an equation for the line in slope-intercept form step-by-step?\r<BR>\n" );
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document.write( "Thank you :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #300190 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=300190\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here's an example.<BR>\n" );
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document.write( "Find the equation given 2 points:<BR>\n" );
document.write( "Points (3,7) and (6,1)<BR>\n" );
document.write( "Find m, the slope<BR>\n" );
document.write( "m = diffy/diffx = (6-3)/(1-7) = 3/(-6)<BR>\n" );
document.write( "m = -1/2<BR>\n" );
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document.write( "Use y = mx + b and either point to find b, the y-intercept<BR>\n" );
document.write( "7 = (-1/2)*3 + b<BR>\n" );
document.write( "b = 8.5 or 17/2<BR>\n" );
document.write( "--> y = (-1/2)x + 17/2 in slope-intercept form<BR>\n" );
document.write( "x + 2y = 17 in standard form<BR>\n" );
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document.write( "email via the thank you note for help, or to check your work.<BR>\n" );
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