document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077978>Question 1077978</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball is launched into the sky at 54.4 feet per second from a 268.8 meter tall building. The equation for the ball’s height, h, at time t seconds is h = -3.2t^2 + 54.4t + 268.8. When will the ball strike the ground?\r<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 #692466 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=692466\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Your equation is written <U>with a mistake</U>.\r<BR>\n" );
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document.write( "The correct writing is \r<BR>\n" );
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document.write( "h = -16t^2 + 54.4t + 268.8.\r<BR>\n" );
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document.write( "The ball will strike the ground when h = 0, i.e.\r<BR>\n" );
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document.write( "-16t^2 + 54.4t + 268.8 = 0.\r<BR>\n" );
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