document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1097568>Question 1097568</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Apple sold about 53 million iPods in 2008, but as iPhones became more popular, the sales of iPods began to decrease. The number of iPods sold in 2014 was about 11 million. Write a linear equation in slope-intercept form to model this decrease in sales. Let x stand for the number of years after 2008 and let y stand for the number of iPods sold, in millions.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #712012 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=712012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2008:53<BR>\n" );
document.write( "2014:11<BR>\n" );
document.write( "x:y<BR>\n" );
document.write( "slope is change in y/change in x, this is -42/6=-7 million/year<BR>\n" );
document.write( "point slope formula y-y1=m(x-x1), m slope, (x1, y1) point.  Let x be the year-2000<BR>\n" );
document.write( "y-11=-7(x-14)<BR>\n" );
document.write( "y-11=-7x+98<BR>\n" );
document.write( "y=-7x+109<BR>\n" );
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