document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=31247>Question 31247</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A person has $15.00 to play games and loses $.50 each game.  How much money is left after 7 games? <BR>\n" );
document.write( "What is the x intercept?<BR>\n" );
document.write( "What does the x intercept represent?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-.50x%2B15=y ALIGN=MIDDLE  ALT=\"+-.50x%2B15=y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><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 #17921 by </B><A HREF=/tutors/aboutme.mpl?userid=mbarugel><B>mbarugel(146)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mbarugel><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=17921\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello!<BR>\n" );
document.write( "The equation you gave:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-.50x%2B15=y ALIGN=MIDDLE  ALT=\"+-.50x%2B15=y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "shows how money is left (y) after playing x games. It looks like this<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28200%2C200%2C-3%2C32%2C-1%2C16%2C-.50x%2B15%29 ALIGN=MIDDLE  ALT=\"graph%28200%2C200%2C-3%2C32%2C-1%2C16%2C-.50x%2B15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "In order to find how much money is left after 7 games, we just plug x=7 into the equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=15+-+0.50%2A7+=+11.50 ALIGN=MIDDLE  ALT=\"y=15+-+0.50%2A7+=+11.50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The x-intercept is the value of x when y = 0. We just plug y=0 into the equation and solve for x:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+=+15+-+0.50x ALIGN=MIDDLE  ALT=\"0+=+15+-+0.50x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.50x+=+15 ALIGN=MIDDLE  ALT=\"0.50x+=+15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+15%2F0.50+=+30 ALIGN=MIDDLE  ALT=\"x+=+15%2F0.50+=+30\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So the x-intercept is 30. Its interpretation is \"How many games can you play until the money you have left is zero?\". The answer is 30 games.\r<BR>\n" );
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document.write( "I hope this helps!<BR>\n" );
document.write( "Get more answers at <a  rel=nofollow HREF=http://www.onlinemathanswers.com>Online Math Answers.com</a>!\r<BR>\n" );
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