document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101405>Question 1101405</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the sequence -12, -7, -2, 3, 8, 13,...determine the 90th term and the sum of the first 80 terms. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #715978 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=715978\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Common difference of 5, increasing sequence.\r<BR>\n" );
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document.write( "General term,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-12%2B5%28n-1%29 ALIGN=MIDDLE  ALT=\"-12%2B5%28n-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > for index, n.  <BR>\n" );
document.write( "You can determine the n=90 term from that.\r<BR>\n" );
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document.write( "Sum of first 80 terms:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2880%2F2%29%28-12%2B%28-12%2B5%2880-1%29%29%29 ALIGN=MIDDLE  ALT=\"%2880%2F2%29%28-12%2B%28-12%2B5%2880-1%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >------simplify and compute this. </SPAN>\n" );
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