document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1185880>Question 1185880</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An object is thrown upward from a height of 80 ft. The initial velocity of the object is 64 ft per second. If the height h (in feet) is h=-16 +64t+80, where t is time in seconds, when will the object reach 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 #816773 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=816773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An object is thrown upward from a height of 80 ft. The initial velocity of the object is 64 ft per second. If the height h (in feet) is h=-16 +64t+80, where t is time in seconds, when will the object reach the ground?<BR>\n" );
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document.write( "\"If\" - If the height h (in feet) is h=-16 +64t+80<BR>\n" );
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document.write( "It's h=-16t^2 + 64t + 80<BR>\n" );
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document.write( "-16t^2 + 64t + 80 = 0<BR>\n" );
document.write( "Solve for t, ignore any negative values.\r<BR>\n" );
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