document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026984>Question 1026984</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a firework is launched from the top of a 216ft building with an initial upward velocity of 150 ft/sec <BR>\n" );
document.write( " h(t)=-16t^2+vt+h<BR>\n" );
document.write( " t=time, h is initial height, v is the initial velocity in feet per second <BR>\n" );
document.write( " 1.what is the equation for this situation<BR>\n" );
document.write( " 2.when will the firework land if it does not explode<BR>\n" );
document.write( " 3.show a table for this situation so that it shows the height from time t=0 until it hits the ground<BR>\n" );
document.write( " 4.calculate the axis of symmetry<BR>\n" );
document.write( " 5.calculate the coordinates of the vertex<BR>\n" );
document.write( " 6.explain why negative values of t and h(t) do not make sense for this problem<BR>\n" );
document.write( " 7. graph the situation \r<BR>\n" );
document.write( "\n" );
document.write( " on #3 for the table, I do not know how to solve for the 0 or for 1,2,3,4,5 etc..... because it is after the = sign. So PLEASE show work. ALSO,how did you calculate the axis of symmetry and the coordinates of vertex? I have a TI-84 graphing calculator and can not get #7 to graph on it. And I do not know why? And in #1, it is supposed to be -16t^2 and I have asked this same question twice. Both times the same tutor used -15t^2. I do not know if this was used on the problems to get the answers for the symmetry and vertex. If so, then those are not right either....... That's why I resubmitted this question. Besides, I don't just need the answers..... I need to know how to do it so I can show my daughter and she can know for the test....... Thank You!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #642259 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=642259\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "a firework is launched from the top of a 216ft building with an initial upward velocity of 150 ft/sec <BR>\n" );
document.write( " h(t)=-16t^2+vt+h<BR>\n" );
document.write( " t=time, h is initial height, v is the initial velocity in feet per second <BR>\n" );
document.write( " 1.what is the equation for this situation<BR>\n" );
document.write( " 2.when will the firework land if it does not explode<BR>\n" );
document.write( " 3.show a table for this situation so that it shows the height from time t=0 until it hits the ground<BR>\n" );
document.write( " 4.calculate the axis of symmetry<BR>\n" );
document.write( " 5.calculate the coordinates of the vertex<BR>\n" );
document.write( " 6.explain why negative values of t and h(t) do not make sense for this problem<BR>\n" );
document.write( " 7. graph the situation \r<BR>\n" );
document.write( "\n" );
document.write( " on #3 for the table, I do not know how to solve for the 0 or for 1,2,3,4,5 etc..... because it is after the = sign. So PLEASE show work. ALSO,how did you calculate the axis of symmetry and the coordinates of vertex? I have a TI-84 graphing calculator and can not get #7 to graph on it. And I do not know why? And in #1, it is supposed to be -16t^2 and I have asked this same question twice. Both times the same tutor used -15t^2. I do not know if this was used on the problems to get the answers for the symmetry and vertex. If so, then those are not right either....... That's why I resubmitted this question. Besides, I don't just need the answers..... I need to know how to do it so I can show my daughter and she can know for the test....... Thank You! \r<BR>\n" );
document.write( "\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">        You ask for a LOT!<BR>\n" );
document.write( "        I’ll try to guide you<BR>\n" );
document.write( "1.	<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%28t%29+=+-+16t%5E2+%2B+vt+%2B+h ALIGN=MIDDLE  ALT=\"h%28t%29+=+-+16t%5E2+%2B+vt+%2B+h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "        <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%28t%29+=+-+16t%5E2+%2B+150t+%2B+216 ALIGN=MIDDLE  ALT=\"h%28t%29+=+-+16t%5E2+%2B+150t+%2B+216\"   DISABLED_style= \"max-width:90%; height:auto;\" > --------- Substituting given values: 216 for h; and 150 for v<BR>\n" );
document.write( "2.	The firework will land when h (height) = 0. Substitute 0 for h (t) to get the roots/zeros, ignoring any negative (< 0) values.<BR>\n" );
document.write( "3.	You need to create this table yourself<BR>\n" );
document.write( "4.	The axis of symmetry is at t = -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-b%2F%282a%29 ALIGN=MIDDLE  ALT=\"-b%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-+150%2F%282+%2A+-+16%29 ALIGN=MIDDLE  ALT=\"-+150%2F%282+%2A+-+16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. You can calculate this!<BR>\n" );
document.write( "5.	Substitute the value of the axis of symmetry (no. 4) and determine h(axis of symmetry). The values of the axis of symmetry, and<BR>\n" );
document.write( "        h(axis of symmetry) will be the coordinates of the vertex<BR>\n" );
document.write( "6.	Negative values of t suggest NEGATIVE time. There is no such thing as negative time. The same goes for h(t), or height, which<BR>\n" );
document.write( "        can never be negative (< 0).<BR>\n" );
document.write( "7.	You need to pick up your TI-84 and graph equation in no. 1, entering: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5B1%5D+=+-+16x%5E2+%2B+150x+%2B+216 ALIGN=MIDDLE  ALT=\"y%5B1%5D+=+-+16x%5E2+%2B+150x+%2B+216\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );