document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=298733>Question 298733</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The distance traveled by an object moving in a straight line is given by s = t2  - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 9 feet?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #214809 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=214809\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     The distance traveled by an object moving in a straight line is given by s = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 9 feet? <BR>\n" );
document.write( ".<BR>\n" );
document.write( "The problem gives you the formula:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+t%5E2+-+8t ALIGN=MIDDLE  ALT=\"+s+=+t%5E2+-+8t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simply substitute s for 9 and solve for t:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+9+=+t%5E2+-+8t ALIGN=MIDDLE  ALT=\"+9+=+t%5E2+-+8t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+0+=+t%5E2+-+8t+-+9 ALIGN=MIDDLE  ALT=\"+0+=+t%5E2+-+8t+-+9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Factoring the right side:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+0+=+%28t%2B1%29%28t-9%29 ALIGN=MIDDLE  ALT=\"+0+=+%28t%2B1%29%28t-9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = {-1, 9}<BR>\n" );
document.write( "We can toss out the negative solution leaving:<BR>\n" );
document.write( "t = 9.0 secs<BR>\n" );
document.write( " </SPAN>\n" );
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