document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=189469>Question 189469</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the given sequence, identify if it is an aritmetic sequence by answering yes or no. If yes, then identify the common difference.\r<BR>\n" );
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document.write( "1.   –9, 0, 9, 18, ...<BR>\n" );
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document.write( "2.   0.1, 0.01, 0.001, 0.0001, ...\r<BR>\n" );
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document.write( "3.   Find the 25th term of the arithmetic sequence 26, 13, 0, –13, ...  <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #142134 by </B><A HREF=/tutors/aboutme.mpl?userid=user_dude2008><B>user_dude2008(1862)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=user_dude2008><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=142134\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. –9, 0, 9, 18, ...\r<BR>\n" );
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document.write( "Is arithmetic, common difference d = 9\r<BR>\n" );
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document.write( "Rule: <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE a_{n}=9n-9\"> for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE n \ge 0\">\r<BR>\n" );
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document.write( "2. 0.1, 0.01, 0.001, 0.0001\r<BR>\n" );
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document.write( "Is not arithmetic, it is geometric\r<BR>\n" );
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document.write( "Rule: <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE a_{n}=0.1\left(\frac{1}{10}\right)^n\"> for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE n \ge 0\">\r<BR>\n" );
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document.write( "3. Find the 25th term of the arithmetic sequence 26, 13, 0, –13, ... \r<BR>\n" );
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document.write( "Arithmetic sequence\r<BR>\n" );
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document.write( "Rule: <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE a_{n}=-13n+26\"> where <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE n \ge 0\">\r<BR>\n" );
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document.write( "25th term is when <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE n=24\">\r<BR>\n" );
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document.write( "25th term: <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE a_{24}=-13(24)+26=-312+26=-286\"> </SPAN>\n" );
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