document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1178673>Question 1178673</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the 9th, 24th, and nth terms of the arithmetic sequence.\r<BR>\n" );
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document.write( "a, a + 6, a + 12, ... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #808039 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=808039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a, a + 6, a + 12, ...\r<BR>\n" );
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document.write( "d= a+6-a=6<BR>\n" );
document.write( "d=6\r<BR>\n" );
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document.write( "a9 = a1+8d<BR>\n" );
document.write( "a9 = a1+48\r<BR>\n" );
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document.write( "a24 = a1+23d = a1+138\r<BR>\n" );
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document.write( "an = a1 (n-1)6 = a1+ 6n-6 </SPAN>\n" );
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