document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1178225>Question 1178225</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find a formula for an for the arithmetic sequence.\r<BR>\n" );
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document.write( "a1 = −1, a5 = 23 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #807422 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=807422\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a1=-1 and a5=23, a difference in 24 with 4 terms between them, so difference between terms is 6<BR>\n" );
document.write( "an=a1+d(n-1)<BR>\n" );
document.write( "a5=-1+6(4)=23<BR>\n" );
document.write( "an=-1+6(n-1)<BR>\n" );
document.write( "-1,5,11,17,23 </SPAN>\n" );
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