document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106945>Question 106945</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A credit manager rates each applicant for a car loan on a scale of 1-5 and then deterines the interest rate.  Find the equation of a line in slope-intercept form that goes thru these points.\r<BR>\n" );
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document.write( "Credit Rating                  Interest Rate<BR>\n" );
document.write( "1              24<BR>\n" );
document.write( "2              20<BR>\n" );
document.write( "3              16<BR>\n" );
document.write( "4              12<BR>\n" );
document.write( "5               8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77792 by </B><A HREF=/tutors/aboutme.mpl?userid=cheesey><B>cheesey(22)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=cheesey><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=77792\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> first select two points to find the slope of the line.  I chose (2, 20) (1, 24). Then the slope is (20-24)/(2-1) = -4\r<BR>\n" );
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document.write( "Using point-slope form: y - y* = m(x - x*), where y*, x* are one point given.<BR>\n" );
document.write( "Thus y - 20 = -4(x - 2)<BR>\n" );
document.write( "y - 20 = -4x + 8<BR>\n" );
document.write( "y = -4x + 28  is one such equation of this line in y=mx + b form.  Chose a different point and your \"b\" will change. </SPAN>\n" );
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