document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=387261>Question 387261</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is the relationship below linear? Tell how you decided. Write an equation for the linear relationship.<BR>\n" );
document.write( "x  5  10  15  20  25  30<BR>\n" );
document.write( "y 20  30  40  50  50  50\r<BR>\n" );
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document.write( "I am completely lost. I tried understanding what my chapter was saying but it is only confusing me more.\r<BR>\n" );
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document.write( "Am I even on the right track?<BR>\n" );
document.write( "x/y   5/20   10/30   15/40   20/50   25/50   30/50  <BR>\n" );
document.write( "x/y  .25     .333    .375     .4       .5     .6 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #273738 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=273738\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If we use the first pair of data to get the slope of the line passing through them, then we would get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m+=+%2830-20%29%2F%2810-5%29+=+10%2F5+=+2 ALIGN=MIDDLE  ALT=\"m+=+%2830-20%29%2F%2810-5%29+=+10%2F5+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  If we use the first pair of x,y data, the point-slope form of the line would be y - 20= = 2(x-5), or y = 2x + 10, after simplifying.  Our linear equation would describe the first 4 pairs of data, but not the 5th and the 6th pairs.  Therefore the relationship is NOT linear. </SPAN>\n" );
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