document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=507332>Question 507332</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball is thrown downward from a building window. It's position at time t in seconds is s = 16t^2 + 32t where s is in feet.  How long (nearest tenth) will it take the ball to fall 233 feet?\r<BR>\n" );
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document.write( "A. 3.8 sec<BR>\n" );
document.write( "B. 2.7 sec <BR>\n" );
document.write( "C. 8.41 sec<BR>\n" );
document.write( "D. 2.9 sec </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #340449 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20855)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=340449\">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=s+=+16t%5E2+%2B+32t ALIGN=MIDDLE  ALT=\"s+=+16t%5E2+%2B+32t\"   DISABLED_style= \"max-width:90%; height:auto;\" > where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s ALIGN=MIDDLE  ALT=\"s\"   DISABLED_style= \"max-width:90%; height:auto;\" > is in feet  \r<BR>\n" );
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document.write( "How long (nearest tenth) will it take the ball to fall <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=233ft ALIGN=MIDDLE  ALT=\"233ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "start with:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+16t%5E2+%2B+32t ALIGN=MIDDLE  ALT=\"s+=+16t%5E2+%2B+32t\"   DISABLED_style= \"max-width:90%; height:auto;\" > ...plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s ALIGN=MIDDLE  ALT=\"s\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=233ft+=+16t%5E2+%2B+32t ALIGN=MIDDLE  ALT=\"233ft+=+16t%5E2+%2B+32t\"   DISABLED_style= \"max-width:90%; height:auto;\" > ..........solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t ALIGN=MIDDLE  ALT=\"t\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16t%5E2+%2B+32t-233+=0 ALIGN=MIDDLE  ALT=\"+16t%5E2+%2B+32t-233+=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"t+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-32+%2B-+sqrt%28+32%5E2-4%2A16%2A%28233%29+%29%29%2F%282%2A16%29+ ALIGN=MIDDLE  ALT=\"t+=+%28-32+%2B-+sqrt%28+32%5E2-4%2A16%2A%28233%29+%29%29%2F%282%2A16%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-32+%2B-+sqrt%28+1024%2B14912+%29%29%2F32+ ALIGN=MIDDLE  ALT=\"t+=+%28-32+%2B-+sqrt%28+1024%2B14912+%29%29%2F32+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-32+%2B-+sqrt%28+15936%29%29%2F32+ ALIGN=MIDDLE  ALT=\"t+=+%28-32+%2B-+sqrt%28+15936%29%29%2F32+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-32+%2B-+126.24%29%2F32+ ALIGN=MIDDLE  ALT=\"t+=+%28-32+%2B-+126.24%29%2F32+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "solution (you need only positive solution)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-32+%2B126.24%29%2F32+ ALIGN=MIDDLE  ALT=\"t+=+%28-32+%2B126.24%29%2F32+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%2894.2%29%2F32+ ALIGN=MIDDLE  ALT=\"t+=+%2894.2%29%2F32+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+2.9+ ALIGN=MIDDLE  ALT=\"t+=+2.9+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so, your answer is:\r<BR>\n" );
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document.write( "D. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.9sec ALIGN=MIDDLE  ALT=\"2.9sec\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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