document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=289365>Question 289365</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The height of an object thrown in the air is given by h = t2 – 7t + 3, where h is in feet and t is the time in seconds the object has been in motion.  At what time (to the nearest tenth) is the object 11 feet in the air?  \r<BR>\n" );
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document.write( "Could you help to solve this equation?<BR>\n" );
document.write( "Thank you.<BR>\n" );
document.write( "Cynthia<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 #209596 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=209596\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The height of an object thrown in the air is given by h = t2 – 7t + 3, where h is in feet and t is the time in seconds the object has been in motion. At what time (to the nearest tenth) is the object 11 feet in the air?<BR>\n" );
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document.write( "h is the height so make it 11 and solve for \"t\":<BR>\n" );
document.write( "t^2-7t+3 = 11<BR>\n" );
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document.write( "t^2 -7t -8 = 0<BR>\n" );
document.write( "(t-8)(t+1) = 0<BR>\n" );
document.write( "Positive solution:<BR>\n" );
document.write( "t = 8 seconds (time at which the object is at a height of 11 ft.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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