document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=2580>Question 2580</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can you tell if an equation is linear or directly proportional  by looking at a graph, equation or table? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #1113 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=1113\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> linear...meaning straight line. So:\r<BR>\n" );
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document.write( "a. looking at a graph..is the graph a straight line?<BR>\n" );
document.write( "b. looking at the equation --> equation will be of the form y = ax + b where a and b are constants ie no x^2 or x^3 terms etc...no wierd ones like y = 1/x etc.<BR>\n" );
document.write( "c. looking at a table..you probably couldn't easily or at least with 100% certainty.\r<BR>\n" );
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document.write( "jon<BR>\n" );
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