document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=172099>Question 172099</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The height h in feet of an object after t seconds is given by the function \r<BR>\n" );
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document.write( "h = –16t² + 30t + 8.  \r<BR>\n" );
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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 #127131 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=127131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint:  The ground is at height 0 (zero) feet.\r<BR>\n" );
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document.write( "So, at what value <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%3E0 ALIGN=MIDDLE  ALT=\"t%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" > does <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-16t%5E2%2B30t%2B8=0 ALIGN=MIDDLE  ALT=\"-16t%5E2%2B30t%2B8=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >?\r<BR>\n" );
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document.write( "Simply solve the quadratic and exclude any negative root.  Remember to round to 3 decimal places. </SPAN>\n" );
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