document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=6553>Question 6553</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me find the slope of the ff:\r<BR>\n" );
document.write( "\n" );
document.write( "a. (9,8) (3,0)<BR>\n" );
document.write( "b. (-4,-4) (4,-9)\r<BR>\n" );
document.write( "\n" );
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 #3548 by </B><A HREF=/tutors/aboutme.mpl?userid=Mike><B>Mike(39)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mike><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=3548\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The formula to find the slope which you should use for these types of questions is:\r<BR>\n" );
document.write( "\n" );
document.write( "(y2-y1)/(x2-x1)\r<BR>\n" );
document.write( "\n" );
document.write( "where y2 is the second y coordinate and y1 is the first y coordinate (the same rule applies for x2 and x1).\r<BR>\n" );
document.write( "\n" );
document.write( "Thus,\r<BR>\n" );
document.write( "\n" );
document.write( "a) (0-8)/(3-9) = 8/6 = 4/3<BR>\n" );
document.write( "b) (-9+4)/(4+4) = -5/8\r<BR>\n" );
document.write( "\n" );
document.write( "Hope that helps.<BR>\n" );
document.write( "Regards,<BR>\n" );
document.write( "-Mike </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );