Posted by Scott on Tuesday, December 18, 2007 at 6:33am.
Write a formula for the general term(the nth term)of the arithmetic sequence. Do not use a recursion formula. Then use the formula for a(n) to find the indicated term of the sequence Find a(11); 12, 10, 8, ...
I came up with 10 ?

PreCal  drwls, Tuesday, December 18, 2007 at 8:06am
a = 12  2(n1) = 14  2n
The n=1 term is 12 and each successive term decreases by 2.
Plug in n=11 and see what you get. I get 8.
12, 10, 8, 6, 4, 2, 0, 2, 4, 6, 8
Answer This Question
Related Questions
 Calculus  Write a formuls for the general term(nth term) of the arithmetic ...
 Math  Write a formula for the general term (the nth term) of the arithmetic ...
 Math ( Can You check my Work?)  1.an = 3n  1 2. an = 2(2n  3) 3.an = 4^n 4.an...
 Math  Question 1 Write the first four terms of the sequence whose general term...
 Math  an = 3n  1 Answer 2, 3, 4, 5 2, 5, 8, 11 2, 5, 8, 11 4, 7, 10, 13 3...
 Math PLEASE HELP PLEASE PLEASE PLEASE  Question 1 Write the first four terms ...
 math  1. Use the given arithmetic sequence to answer the following problems. ...
 Math  Please help me with my midterm review my teacher was out sick today and ...
 Sequence  Find the common difference and a formula formula for the nth term of ...
 Math binomial formula and sequence  a) use the binomial formula to find the 5th...
More Related Questions