document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=787065>Question 787065</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation.\r<BR>\n" );
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document.write( "Determine the slope of the line through the given points.\r<BR>\n" );
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document.write( "(2,7) and (8,1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #478078 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=478078\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Using gradient formula:<BR>\n" );
document.write( "y2 - y1/x2 - x1<BR>\n" );
document.write( "1 - 7/8 - 2<BR>\n" );
document.write( "-6/6<BR>\n" );
document.write( "= -1<BR>\n" );
document.write( "This the slope (gradient) of the line.<BR>\n" );
document.write( "Using the equation:<BR>\n" );
document.write( "y = mx + c  with one of the coordinates<BR>\n" );
document.write( "say, (2,7)<BR>\n" );
document.write( "y = mx + c<BR>\n" );
document.write( "7 = -1(2) + c<BR>\n" );
document.write( "c = 9<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y = -x + 9<BR>\n" );
document.write( "Hope this helps.<BR>\n" );
document.write( ":-) </SPAN>\n" );
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