document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1073707>Question 1073707</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball is thrown upwards. Its height is described by the equation h=-5t^2+20t where h is measured in meters and t is measured in seconds.<BR>\n" );
document.write( "a) Common factor h=-5t^2+20t<BR>\n" );
document.write( "b) How high is the ball at 0 seconds?  1 Seconds? 2 Seconds?<BR>\n" );
document.write( "c)Using the factored expression, find the time when the ball hits the ground.<BR>\n" );
document.write( "d) Use your answer from c) to find the maximum height of the ball and when it occurs. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #688496 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=688496\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=-5t%28t-4%29 ALIGN=MIDDLE  ALT=\"h=-5t%28t-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Common factor  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5t ALIGN=MIDDLE  ALT=\"-5t\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "(b)<BR>\n" );
document.write( "Substitute 0, 1, 2, and evaluate each.\r<BR>\n" );
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document.write( "(c)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5t%28t-4%29=0 ALIGN=MIDDLE  ALT=\"-5t%28t-4%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%28t-4%29=0 ALIGN=MIDDLE  ALT=\"t%28t-4%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "roots, 0 and 4.\r<BR>\n" );
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document.write( "The ball hits the ground after 4 seconds.\r<BR>\n" );
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document.write( "(d)<BR>\n" );
document.write( "Maximum h happens at t=2 or   2 seconds. </SPAN>\n" );
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