document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1179932>Question 1179932</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Standing on the top of a house 48 feet above the ground, Matt shoots a trick basketball shot upward according to the equation h = -16t2 + 32t + 48, where h is the height of the ball in feet, and t is the time in seconds. How long will it take for Matt’s airball to hit the ground? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #809558 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=809558\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> h(t)=-16t^2+32t+48<BR>\n" );
document.write( "set equal to 0, which is ground level and divide through by -16<BR>\n" );
document.write( "so t^2-2t-3=0<BR>\n" );
document.write( "(t-3)(t+2)=0<BR>\n" );
document.write( "positive root is t=3 seconds.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-5%2C5%2C-25%2C75%2C-16x%5E2%2B32x%2B48%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-5%2C5%2C-25%2C75%2C-16x%5E2%2B32x%2B48%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );