document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=680086>Question 680086</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jasmine has 18.00 to buy books at the used book sale at the library .paperback books cost 3.00 each . the equation y = 18 - 3x represents the amount of money she has left if she buys  x  of paperback books. graph the equation and describe what the intercepts represents. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #422243 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=422243\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = -3x + 18<BR>\n" );
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document.write( "y intercept at 18<BR>\n" );
document.write( "Plot (0, 18)<BR>\n" );
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document.write( "x intercept is when y = 0<BR>\n" );
document.write( "0 = -3x + 18<BR>\n" );
document.write( "-18 = -3x<BR>\n" );
document.write( "-18/-3 = x<BR>\n" );
document.write( "x = 6<BR>\n" );
document.write( "Plot (6, 0)<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Draw a line through the intercepts<BR>\n" );
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document.write( "x intercept indicates the maximum books, 6, she can purchase which will leave her with $0.<BR>\n" );
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document.write( "y intercept indicates the $18 she starts with before purchasing any books.<BR>\n" );
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document.write( "The downward, negative, slope depicts the decrease in $ as the # of books increases, such that the y axis is $ and the x axis is books.<BR>\n" );
document.write( "...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-10%2C20%2C-3x%2B18%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-10%2C20%2C-3x%2B18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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