document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=387983>Question 387983</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine a rule for the nth term of the sequence. Then find a17.<BR>\n" );
document.write( "86, 82, 78, 74, 70 ... a17 =? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #274276 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=274276\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> an = a1 + (n-1)d = 86 + (n-1)(-4) = 86 - 4n + 4 = 90 - 4n.  Hence an = 90 - 4n.<BR>\n" );
document.write( "Then a17 = 90 - 4*17 = 22. </SPAN>\n" );
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