document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1008519>Question 1008519</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write an explicit formula for the sequence an=-3an-1 and a1=3 explain your answer </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #624813 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=624813\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since they give you a1 = 3 and that the common ratio is -3, you can write the explicit formula as:<BR>\n" );
document.write( "an = a1*r^(n-1)<BR>\n" );
document.write( "and in this case<BR>\n" );
document.write( "an = 3*(-3)^(n-1) </SPAN>\n" );
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