document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=626886>Question 626886</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the following series in sigma notation\r<BR>\n" );
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document.write( "12+7+2+.........up to 7 terms </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #394479 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=394479\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You're subtracting 5 each time. The first 7 terms are\r<BR>\n" );
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document.write( "12+7+2+(-3)+(-8)+(-13)+(-18)\r<BR>\n" );
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document.write( "The nth term is 12+(n-1)*(-5) which becomes -5n+17\r<BR>\n" );
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document.write( "So the sum of the first 7 terms using sigma notation is \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\LARGE \sum_{k=1}^{7}-5k+17\" title=\"x\" />\r<BR>\n" );
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