document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=3359>Question 3359</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I want to know how to find the slope by using the subsition method? And what is the easiest way you know to find slope? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #1559 by </B><A HREF=/tutors/aboutme.mpl?userid=Pieter><B>Pieter(35)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Pieter><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=1559\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you mean by sutstitution method?\r<BR>\n" );
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document.write( "if you have two points A(x1,y1) and B(x2,y2), then the slope of the line going through this two points is<BR>\n" );
document.write( "y2 - y1        <BR>\n" );
document.write( "------- = m <BR>\n" );
document.write( "x2 - x2          \r<BR>\n" );
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document.write( "to find the equation of the line going through this two points:\r<BR>\n" );
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document.write( "y - y1 = m(x - x1) which you will be able to reduce to an ecuation of the form<BR>\n" );
document.write( "ux + vy + w = 0\r<BR>\n" );
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document.write( "If you want to find the slope of a tangent on a curve in a point on that curve you have to calculate the DERIVATIVE of the curve in that point. The value of it is equal to m.  </SPAN>\n" );
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