document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159348>Question 1159348</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I do not understand these problems...\r<BR>\n" );
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document.write( "An arrow is shot upward at an initial velocity of 40 meters per second. Use the function: h=40t-5t^2 to answer the following questions:\r<BR>\n" );
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document.write( "1).what is the height of the arrow in meters after 5 seconds? Solve algebraically. Show Work.\r<BR>\n" );
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document.write( "2). After how many seconds will the arrow be 30 meters high? Use the quadratic formula. Show work.\r<BR>\n" );
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document.write( "3). when will the arrow be back on the ground? solve algebraically using factoring. Show work.\r<BR>\n" );
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document.write( " Thank you for your help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #782353 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</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=782353\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given the function: \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=40t-5t%5E2 ALIGN=MIDDLE  ALT=\"h=40t-5t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "1).what is the height of the arrow in meters after <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5 ALIGN=MIDDLE  ALT=\"5\"   DISABLED_style= \"max-width:90%; height:auto;\" > seconds?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=40t-5t%5E2 ALIGN=MIDDLE  ALT=\"h=40t-5t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > ........if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=5 ALIGN=MIDDLE  ALT=\"t=5\"   DISABLED_style= \"max-width:90%; height:auto;\" > seconds\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=40%2A5-5%2A5%5E2 ALIGN=MIDDLE  ALT=\"h=40%2A5-5%2A5%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=200-125 ALIGN=MIDDLE  ALT=\"h=200-125\"   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=h=75 ALIGN=MIDDLE  ALT=\"h=75\"   DISABLED_style= \"max-width:90%; height:auto;\" >  meters high\r<BR>\n" );
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document.write( "2). After how many seconds will the arrow be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30 ALIGN=MIDDLE  ALT=\"30\"   DISABLED_style= \"max-width:90%; height:auto;\" > meters high? \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=40t-5t%5E2 ALIGN=MIDDLE  ALT=\"h=40t-5t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > ........if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=30 ALIGN=MIDDLE  ALT=\"h=30\"   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=30=40t-5t%5E2 ALIGN=MIDDLE  ALT=\"30=40t-5t%5E2\"   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=5t%5E2-40t%2B30=0 ALIGN=MIDDLE  ALT=\"5t%5E2-40t%2B30=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >......simplify, divide by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5 ALIGN=MIDDLE  ALT=\"5\"   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%5E2-8t%2B6=0 ALIGN=MIDDLE  ALT=\"t%5E2-8t%2B6=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >.......use quadratic formula\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-%28-8%29+%2B-+sqrt%28+%28-8%29%5E2-4%2A1%2A6+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"t+=+%28-%28-8%29+%2B-+sqrt%28+%28-8%29%5E2-4%2A1%2A6+%29%29%2F%282%2A1%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+=+%288+%2B-+sqrt%2864-24%29%29%2F2+ ALIGN=MIDDLE  ALT=\"t+=+%288+%2B-+sqrt%2864-24%29%29%2F2+\"   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+=+%288+%2B-+sqrt%2840%29%29%2F2+ ALIGN=MIDDLE  ALT=\"t+=+%288+%2B-+sqrt%2840%29%29%2F2+\"   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+=+%288+%2B-+sqrt%284%2A10%29%29%2F2+ ALIGN=MIDDLE  ALT=\"t+=+%288+%2B-+sqrt%284%2A10%29%29%2F2+\"   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+=+%288+%2B-+2sqrt%2810%29%29%2F2+ ALIGN=MIDDLE  ALT=\"t+=+%288+%2B-+2sqrt%2810%29%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > .........simplify\r<BR>\n" );
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document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%284+%2B-+sqrt%2810%29%29+ ALIGN=MIDDLE  ALT=\"t+=+%284+%2B-+sqrt%2810%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "-> solutions:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%284+%2B+sqrt%2810%29%29+ ALIGN=MIDDLE  ALT=\"t+=+%284+%2B+sqrt%2810%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >-><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+7.16+ ALIGN=MIDDLE  ALT=\"t+=+7.16+\"   DISABLED_style= \"max-width:90%; height:auto;\" > seconds\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%284+-+sqrt%2810%29%29+ ALIGN=MIDDLE  ALT=\"t+=+%284+-+sqrt%2810%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >-><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+0.84 ALIGN=MIDDLE  ALT=\"t+=+0.84\"   DISABLED_style= \"max-width:90%; height:auto;\" > seconds\r<BR>\n" );
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document.write( "so, it will ritch height of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30 ALIGN=MIDDLE  ALT=\"30\"   DISABLED_style= \"max-width:90%; height:auto;\" > meters in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+0.84 ALIGN=MIDDLE  ALT=\"+0.84\"   DISABLED_style= \"max-width:90%; height:auto;\" > seconds and second time (on its way back) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+7.16+ ALIGN=MIDDLE  ALT=\"t+=+7.16+\"   DISABLED_style= \"max-width:90%; height:auto;\" > seconds\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing+%28+600%2C+600%2C+-10%2C+45%2C+-10%2C+45%2C%0D%0Acircle%280.84%2C30%2C.13%29%2Ccircle%287.16%2C30%2C.13%29%2Clocate%282%2C31%2Ch=30m%29%2C%0D%0A%0D%0Agraph%28+600%2C+600%2C+-10%2C+45%2C+-10%2C+45%2C+40x-5x%5E2%2C30%29%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "3). when will the arrow be back on the ground? \r<BR>\n" );
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document.write( "the arrow be back on the ground when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=0 ALIGN=MIDDLE  ALT=\"h=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=0=40t-5t%5E2 ALIGN=MIDDLE  ALT=\"0=40t-5t%5E2\"   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=0=5t%288-t%29 ALIGN=MIDDLE  ALT=\"0=5t%288-t%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=5t=0 ALIGN=MIDDLE  ALT=\"5t=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >->when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=0 ALIGN=MIDDLE  ALT=\"t=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >...this is start position\r<BR>\n" );
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document.write( "-><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8-t=0 ALIGN=MIDDLE  ALT=\"8-t=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >->when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=8 ALIGN=MIDDLE  ALT=\"t=8\"   DISABLED_style= \"max-width:90%; height:auto;\" >-> it will take <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8 ALIGN=MIDDLE  ALT=\"8\"   DISABLED_style= \"max-width:90%; height:auto;\" > seconds for the arrow to be back on the ground\r<BR>\n" );
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document.write( " </SPAN>\n" );
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