document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=52472>Question 52472</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me on what is the difference between the below formulas:\r<BR>\n" );
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document.write( "  y1 - y2/x1 - x2                    and     y2 - y1/ x2 - x1\r<BR>\n" );
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document.write( "Ex. (4,9), (3,6) m = 5/2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #35011 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=35011\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, you ought to use parentheses to make sure your problem is clearly understood:\r<BR>\n" );
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document.write( "(y1-y2)/(x1-x2) and (y2-y1)/(x2-x1)\r<BR>\n" );
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document.write( "These are the formulas for finding the slope (m) of a line that passes through two given points. While they may look a little different, both formulas will give you exactly the same result. Let's check using the two points in your problem:<BR>\n" );
document.write( "(4, 9) and (3, 6)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y1-y2%29%2F%28x1-x2%29+=+%289-6%29%2F%284-3%29 ALIGN=MIDDLE  ALT=\"%28y1-y2%29%2F%28x1-x2%29+=+%289-6%29%2F%284-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F1 ALIGN=MIDDLE  ALT=\"3%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 3<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y2-y1%29%2F%28x2-x1%29+=+%286-9%29%2F%283-4%29 ALIGN=MIDDLE  ALT=\"%28y2-y1%29%2F%28x2-x1%29+=+%286-9%29%2F%283-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-3%29%2F%28-1%29+=+3%2F1 ALIGN=MIDDLE  ALT=\"%28-3%29%2F%28-1%29+=+3%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 3<BR>\n" );
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