document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1198646>Question 1198646</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4.A model rocket is shot straight up from the roof of a school. The height, h, in meters, after t seconds can be approximated by h(t)=-5t2+22t+15. Answer the following questions algebraically, showing all of your work. \r<BR>\n" );
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document.write( "What is the height of the school? <BR>\n" );
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document.write( "When does the rocket hit the ground? \r<BR>\n" );
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document.write( "What is the maximum height of the rocket?\r<BR>\n" );
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document.write( "How long does it take for the rocket to pass a window that is 10m above the ground? (hint: make h=10, group like terms, then solve the quadratic equation)]\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 #832277 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=832277\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> That's not a rocket, it's a projectile.<BR>\n" );
document.write( "Rackets accelerate upward. </SPAN>\n" );
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