document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=96680>Question 96680</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This one has me confused. I keep getting an answet with the t still in it so I can not round it like the question wants\r<BR>\n" );
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document.write( "The height h in feet of an object after t seconds is given by the function <BR>\n" );
document.write( "	h = –16t^2 + 80t + 6.  <BR>\n" );
document.write( "How long will it take the object to hit the ground?  Round your answer to the nearest thousandth.<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 #70339 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=70339\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what will h be when it hits the ground? Ans. 0<BR>\n" );
document.write( "-16t^2+80t+6=0<BR>\n" );
document.write( "multiply both sides * -1<BR>\n" );
document.write( "16^t-80t-6=0<BR>\n" );
document.write( "Quadratic formula:<BR>\n" );
document.write( "t=5.074... and t=-.074<BR>\n" );
document.write( "discard the negative root.<BR>\n" );
document.write( "t=5.074 sec<BR>\n" );
document.write( "Ed\r<BR>\n" );
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