document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=167948>Question 167948</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the slope of each line. Then tell what the slope represents.\r<BR>\n" );
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document.write( "coordinates:<BR>\n" );
document.write( "4,80<BR>\n" );
document.write( "12,160\r<BR>\n" );
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document.write( "would the answer be 3/80?\r<BR>\n" );
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document.write( "Im confused </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #123817 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=123817\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4,80<BR>\n" );
document.write( "12,160<BR>\n" );
document.write( "slope=(y2-y1)/(x2-x1)=(160-80)/(12-4)=80/8=10 ans.<BR>\n" );
document.write( "Y=mX+b<BR>\n" );
document.write( "80=10*4+b<BR>\n" );
document.write( "80=40+b<BR>\n" );
document.write( "b=80-40<BR>\n" );
document.write( "b=40<BR>\n" );
document.write( "Y=10x+40 is this line equation. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+50%2C+10x+%2B40%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+50%2C+10x+%2B40%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 50, 10x +40). <BR>\n" );
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