document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136692>Question 136692</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the slope, if it exists, of the line containing the pair of points.  \r<BR>\n" );
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document.write( "(4,9) and (10,-7)<BR>\n" );
document.write( "Again I just do not understand this at all no matter how or who explains it to me!! How do i do this??? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100083 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100083\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, can you plot a point like (4,9)?<BR>\n" );
document.write( "You just go from 0 to the right 4 units, then up 9 units.<BR>\n" );
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document.write( "Next, plot the point (10,-7). You start at 0, then go to the right<BR>\n" );
document.write( "10 units, and go down (in the negative y direction) 7 units.<BR>\n" );
document.write( "Now you have 2 points plotted. Connect the points with a straight line.<BR>\n" );
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document.write( "The slope is just like the slope of a roof, and it's defined in math<BR>\n" );
document.write( "exactly the way a carpenter defines it. A carpenter says \"rise over run\"<BR>\n" );
document.write( "This means how high the roof is at the peak divided by how far it runs<BR>\n" );
document.write( "horizontally. If you remember this, you'll never have problems<BR>\n" );
document.write( "with slope. In math it's <BR>\n" );
document.write( "(change in y between 2 points) / (change in x between the same points)<BR>\n" );
document.write( "Picture the slope of a roof, and you'll get it straight.<BR>\n" );
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document.write( "Call (4,9) P1<BR>\n" );
document.write( "Call (10,-7) P2<BR>\n" );
document.write( "slope = (change in y from P1 to P2) / (change in x from P1 to P2)<BR>\n" );
document.write( "slope = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%289+-%28-7%29%29+%2F+%284+-+10%29 ALIGN=MIDDLE  ALT=\"%289+-%28-7%29%29+%2F+%284+-+10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "slope = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%289+%2B+7%29+%2F+-6 ALIGN=MIDDLE  ALT=\"%289+%2B+7%29+%2F+-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "slope = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16+%2F+-6 ALIGN=MIDDLE  ALT=\"16+%2F+-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "slope = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%288%2F3%29 ALIGN=MIDDLE  ALT=\"-%288%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > answer  </SPAN>\n" );
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