document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=144115>Question 144115</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An astronaut on the moon tosses a ball upwards; when will the ball initially be 35 feet above the lunar surface if the ball's height (feet) follow:<BR>\n" );
document.write( "h(t) = -2.6t^2 = 32.1t + 5.5, and t is in seconds from release?\r<BR>\n" );
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document.write( "a.  1 second<BR>\n" );
document.write( "b.  2 seconds<BR>\n" );
document.write( "c.  1/2 seconds<BR>\n" );
document.write( "d.  13.2 seconds\r<BR>\n" );
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document.write( "I selected 1 second (a) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #104894 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=104894\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An astronaut on the moon tosses a ball upwards; when will the ball initially be 35 feet above the lunar surface if the ball's height (feet) follow:<BR>\n" );
document.write( "h(t) = -2.6t^2 + 32.1t + 5.5, and t is in seconds from release? <BR>\n" );
document.write( "a. 1 second<BR>\n" );
document.write( "b. 2 seconds<BR>\n" );
document.write( "c. 1/2 seconds<BR>\n" );
document.write( "d. 13.2 seconds <BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "-2.6t^2+32.1t + 5.5 = 35\r<BR>\n" );
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document.write( "-2.6t^2+32.1t-29.5 = 0\r<BR>\n" );
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document.write( "Since the coefficients add up to zero, x=1 is a zero.<BR>\n" );
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document.write( "Answer: a <BR>\n" );
document.write( "You are correct<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H.  </SPAN>\n" );
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