document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=264154>Question 264154</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could you please help me get started with this problem? Recycled 38 in 1990, 45 in 1991, 45 in 1992, 47 in 1994, 60 in 2001. slope intercept form is y=2.1x+37.  y=recycled numbers x= year number coded as 1990=1, 1992=3, 1994=5, 2001=12.  Is slope negative or postive?  Calculate x-intercept year, what is it and what is the meaning of this point for the data?  <BR>\n" );
document.write( "If you could help me get started I would really appreciate it.  I have gotten totally confused.  Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #194534 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=194534\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Y=mX+b m=slope<BR>\n" );
document.write( "m=2.1 which is positive.<BR>\n" );
document.write( "y=2.1x+37<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-20%2C+5%2C+-10%2C+50%2C+2.1x+%2B37%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-20%2C+5%2C+-10%2C+50%2C+2.1x+%2B37%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -206 to 5, y from -10 to 50, 2.1x +37). <BR>\n" );
document.write( "0=2.1x+37<BR>\n" );
document.write( "2.1x=-37<BR>\n" );
document.write( "x=-37/2.1<BR>\n" );
document.write( "x=17.619 ans for the x intercept.<BR>\n" );
document.write( "1990-18=1972 is the year there was no recycling.  </SPAN>\n" );
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