document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=453307>Question 453307</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the nth term of the following sequence in terms of the first term of the sequence.\r<BR>\n" );
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document.write( "2, -4, 8, -16, . . .\r<BR>\n" );
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document.write( "I am stumped on this one. I have been working it for hours but cannot seem to get the right formula to do it. Any help would be much appreciated. Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311479 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=311479\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sequence is geometric, with common ratio -2. So,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE a_n = -(-2)^n\"> (note that I put a negative so that the sequence does not become -2, 4, -8, etc.). </SPAN>\n" );
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