document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=495416>Question 495416</A>: <I><SPAN STYLE=\"word-break: break-all;\"> passing through (9,12) and (7,2)<BR>\n" );
document.write( "write the equation of each line in slope intercept form. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #336089 by </B><A HREF=/tutors/aboutme.mpl?userid=nebiyou><B>nebiyou(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nebiyou><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=nebiyou><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=336089\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=mx+b......linear equation<BR>\n" );
document.write( "  slope=m=change in y/change in x but y1=12,y2=2 & x1=9,x2=7<BR>\n" );
document.write( "   m=2-12/7-9=-10/-2=5 ,then y=5x+b <BR>\n" );
document.write( "          lets take one of (9,12) to find b substitute 9 to x & 12 to y<BR>\n" );
document.write( "          we find 12=5(9)+b,12=45+b then b=-33<BR>\n" );
document.write( "therefore y=5x-33 </SPAN>\n" );
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