document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43315>Question 43315</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write out the first five terms of the sequence given by:<BR>\n" );
document.write( "ok HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!<BR>\n" );
document.write( "a_n=n^2-n<BR>\n" );
document.write( "first n is a subsc.\r<BR>\n" );
document.write( "\n" );
document.write( "  a. 0, 2, 6, 12, 20    <BR>\n" );
document.write( "  b. 2, 6, 12, 20, 30    <BR>\n" );
document.write( "  c. 1, 4, 9, 16, 25    <BR>\n" );
document.write( "  d. 0, 3, 8, 15, 24    <BR>\n" );
document.write( "  e. None of the others    <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28340 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=28340\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The n-th term: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5Bn%5D=n%5E2-n ALIGN=MIDDLE  ALT=\"a%5Bn%5D=n%5E2-n\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "First term: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D=1%5E2-1 ALIGN=MIDDLE  ALT=\"a%5B1%5D=1%5E2-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1 - 1 = 0<BR>\n" );
document.write( "Second term: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B2%5D=2%5E2-2 ALIGN=MIDDLE  ALT=\"a%5B2%5D=2%5E2-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 4 - 2 = 2<BR>\n" );
document.write( "Third term: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B3%5D=3%5E2-3 ALIGN=MIDDLE  ALT=\"a%5B3%5D=3%5E2-3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 9 - 3 = 6<BR>\n" );
document.write( "Fourth term: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B4%5D=4%5E2-4 ALIGN=MIDDLE  ALT=\"a%5B4%5D=4%5E2-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 16 - 4 = 12<BR>\n" );
document.write( "Fifth term: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B5%5D=5%5E2-5 ALIGN=MIDDLE  ALT=\"a%5B5%5D=5%5E2-5\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 25 - 5 = 20\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Hence the first five terms are 0, 2, 6, 12, 20.<BR>\n" );
document.write( "Hence (a) is correct. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );