document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1075525>Question 1075525</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An arithmetic sequence has its 5th term equal to 22 and its 15th term equal to 62. Find a recursive formula and a formula for the nth term. Label which is which.\r<BR>\n" );
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document.write( "a5 =22 and a15 =62 but I don't know how to go on from that point..\r<BR>\n" );
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document.write( "Thanks so much for the help:) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #690162 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=690162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> start with an=a1+(n-1)d<BR>\n" );
document.write( "a5=a1+4d=22<BR>\n" );
document.write( "a15=a1+14d=62<BR>\n" );
document.write( "Therefore, subtracting<BR>\n" );
document.write( "-10d=-40<BR>\n" );
document.write( "d=4<BR>\n" );
document.write( "a5=22=a1+16<BR>\n" );
document.write( "a1=6<BR>\n" );
document.write( "6,10,14,18,22,a10 is 42, a15 is 62.<BR>\n" );
document.write( "an=6+(n-1)*4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );