document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=109346>Question 109346</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The height h in feet of an object after t seconds is given by the function <BR>\n" );
document.write( "h = –16t2 + 30t + 8.  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( "Thanks in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #79713 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=79713\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0=-16T^2+30T+8<BR>\n" );
document.write( "0=-2(8T^2-15T-4)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "T=(15+-SQRT[15^2-4*8*-4])/2*8<BR>\n" );
document.write( "T=(15=-SQRT[225+128])/16<BR>\n" );
document.write( "T=(15+-SQRT353)/16<BR>\n" );
document.write( "T=(15+-18.79)/16<BR>\n" );
document.write( "T=(15+18.79)/16<BR>\n" );
document.write( "T=33.79/16<BR>\n" );
document.write( "T=2.112 ANSWER. </SPAN>\n" );
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