document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=250727>Question 250727</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am a little lost at graphing linear equations. could you explain to me the whole concept of how to graph a linear equation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #182598 by </B><A HREF=/tutors/aboutme.mpl?userid=blwinbbbles><B>blwinbbbles(106)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=blwinbbbles><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=blwinbbbles><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=182598\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ok..a linear equation is expressed by the following y = mx + b\r<BR>\n" );
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document.write( "with x and y being the pair cordinates, m = slope and b is the y-intercept (the point where the line crosses the y axis and x = 0)\r<BR>\n" );
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document.write( "the standard form is expressed by the following Ax + By = C\r<BR>\n" );
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document.write( "These forms can be converted back and forth with simple algebra.\r<BR>\n" );
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document.write( "What you will need to graph the line is at least two points.  So the easiest way to do the is pick a x and solve for y. I always pick x to be -1, 0 or 1\r<BR>\n" );
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document.write( "For example:\r<BR>\n" );
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document.write( "if your equation is y = 3x + 2  if I say x = 0, then:\r<BR>\n" );
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document.write( "y = 3(0) + 2<BR>\n" );
document.write( "y = 2           <BR>\n" );
document.write( "so your first pair would be (0, 2)\r<BR>\n" );
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document.write( "then use x = 1<BR>\n" );
document.write( "y = 3(1) + 2 <BR>\n" );
document.write( "y = 3 + 2<BR>\n" );
document.write( "y = 5<BR>\n" );
document.write( "then my second pair would be (1, 5)\r<BR>\n" );
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document.write( "If I put those on a graph and connect the two points with a line..I have now graphed the linear equation..\r<BR>\n" );
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document.write( "Hope this helps </SPAN>\n" );
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