document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=252709>Question 252709</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Trying to develop a linear equation for:\r<BR>\n" );
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document.write( "Gas used: 5, 8, 12, 15, 18, 20, 22, 25<BR>\n" );
document.write( "Miles driven, 80, 100, 180, 225, 280, 290, 320, 375 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #184762 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=184762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have the following table:<BR>\n" );
document.write( "Gas used:        5,      8,    12,  15,    18,   20,    22,   25<BR>\n" );
document.write( "Miles driven, 80, 100, 180, 225, 280, 290, 320, 375.\r<BR>\n" );
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document.write( "To create a linear model, we want to apply some rule to x and then get y. <BR>\n" );
document.write( "Notice <BR>\n" );
document.write( "5*15 = 75 + 5 = 80<BR>\n" );
document.write( "8*15 = 120 - 20 = 100<BR>\n" );
document.write( "12*15 = 180<BR>\n" );
document.write( "15*15 = 225<BR>\n" );
document.write( "18*15 = 270 + 10 = 280<BR>\n" );
document.write( "20*15 = 300 - 10 = 290<BR>\n" );
document.write( "22*15 = 330 - 10 = 320<BR>\n" );
document.write( "25*15 = 375.\r<BR>\n" );
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document.write( "We can't create a perfect linear model, but this means we have a \"regression\" model, or an equation that gets us close:<BR>\n" );
document.write( "M = 15G.<BR>\n" );
document.write( "Hope this helps. </SPAN>\n" );
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