document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005605>Question 1005605</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This equation can be used to determine the resale value, y, in dollars,<BR>\n" );
document.write( "of a car x years after purchase.<BR>\n" );
document.write( "y =2,800x+ 20,000<BR>\n" );
document.write( "What is the meaning of the x-intercept of a graph of this equation?<BR>\n" );
document.write( "A. the initial purchase price of the car<BR>\n" );
document.write( "B. the change in the value of the car each year<BR>\n" );
document.write( "C. the amount of decrease in the value of the car<BR>\n" );
document.write( "D. the number of years after purchase when the car has no resale value </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #621783 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=621783\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This must be y= -2800x+20,000, because the resale value of a car decreases over time, doesn't appreciate.\r<BR>\n" );
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document.write( "The x-intercept is when y=0, and 2800x=20,000<BR>\n" );
document.write( "x= 7.1428 and that means the resale value is 0 after 7.14 years.<BR>\n" );
document.write( "The initial purchase price of the car is $20,000, when x=0<BR>\n" );
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document.write( "The amount the car's value changes is $2800 less each year, using the equation above.<BR>\n" );
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document.write( "The amount of decrease in the value of the car is $2800x, where x is the number of years.<BR>\n" );
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document.write( "The car has no resale value after 7.14 years (above), and that is the x-intercept. </SPAN>\n" );
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