Warm Up
Find the next three terms in each sequence.
What is the pattern?
6, 12, 18, 24, ...
­3, ­8, ­13, ­18 ...
HW Solutions: Worksheet 3.4
Learning Targets:
1. Recognize arithmetic sequences
2. Relate arithmetic sequences to linear functions.
3. Find the next four terms.
4. Find the nth term.
Each term in an arithmetic sequence can be expressed in terms of the first term a1 and the common difference d.
8, 11, 14, 17, ...
Term
Symbol
first term
a1
second term
a2 third term
a3
fourth term
a4
fifth term
a5
nth term
an
In terms a1 & d Numbers
n
4n ­ 16
an
(n , an )
HW # 29
Worksheet 3.5