document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=940731>Question 940731</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Identify the common difference OR common ratio, depending on whether the sequence<BR>\n" );
document.write( "below is arithmetic or geometric. Then use the appropriate formula to write a rule for the<BR>\n" );
document.write( "sequence. Finally, use the rule to find the tenth term in the sequence.<BR>\n" );
document.write( "–15, –9, –3, 3, 9,… </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #573354 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=573354\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Identify the common difference OR common ratio, depending on whether the sequence<BR>\n" );
document.write( " below is arithmetic or geometric. Then use the appropriate formula to write a rule for the<BR>\n" );
document.write( " sequence. Finally, use the rule to find the tenth term in the sequence.<BR>\n" );
document.write( " –15, –9, –3, 3, 9,…<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Arithmetic::<BR>\n" );
document.write( "common difference = 6<BR>\n" );
document.write( "a(n) = -15 + (n-1)6<BR>\n" );
document.write( "----<BR>\n" );
document.write( "a(10) = -15 + 9*6 = -15 + 54 = 39\r<BR>\n" );
document.write( "\n" );
document.write( "------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================= </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );