document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=838355>Question 838355</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The equation is h(t)= -16t^2+80t. (h for feet and t for seconds). The question asks how much time it takes for the ball to reach 96 feet. I tried plugging 96 in for h(t) and then subtracting it and inserting it on the other side. I factored, but got t=3 and t=2. I don't think I am supposed to get two positive numbers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #505024 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=505024\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The ball goes up and then comes down so there will be two times at that height unless 1) it never reaches that height or 2) it reaches exactly that height and no more  <BR>\n" );
document.write( "Your answers are not correct.<BR>\n" );
document.write( "16t^2-80t+92 = 0<BR>\n" );
document.write( "4t^2-20t+23=0\r<BR>\n" );
document.write( "\n" );
document.write( "which doesn't factor<BR>\n" );
document.write( "1.8 and 3.2 are closer </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );