document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=999195>Question 999195</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the line containing  (3,4) and (9,9) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #616879 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=616879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find slope first.<BR>\n" );
document.write( "m = (y2 - y1)/(x2 - x1) = (9-4)/(9-3) = 5/6<BR>\n" );
document.write( "Now use point-slope form or y=mx+b...so that<BR>\n" );
document.write( "9 = (5/6)(9) + b<BR>\n" );
document.write( "9 = 15/2 + b<BR>\n" );
document.write( "b = 3/2<BR>\n" );
document.write( "so that<BR>\n" );
document.write( "y = (5/6)x + 3/2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );