1. Sequences
Describe the pattern in the sequence and identify the sequence as arithmetic, geometric, or neither. 7, 11, 15, 19, …
7, 11, 15, 19, …
Answer: Each term is found by adding 4 to the previous term.
This sequence is arithmetic.

2. Sequences
Describe the pattern in the sequence and identify the sequence as arithmetic, geometric, or neither. 3, 6, 12, 24, …
3, 6, 12, 24, …
Answer: Each term is found by multiplying the previous term by 2.
This sequence is geometric.

3. Sequences
Describe the pattern in the sequence and identify the sequence as arithmetic, geometric, or neither. 5, 9, 18, 22, 31, …
Answer: Add 4, add 9; neither.
Example 7-1b

4. Sequences
5, 14, 23, 32, …
Each term is 9 greater than the previous term.
Continue the pattern to find the next three terms.
Answer: The next three terms are 41, 50, and 59.

5. Sequences
Write the next three terms of the sequence. 0.2, 1.2, 7.2, 43.2, …
0.2, 1.2, 7.2, 43.2,
Each term is 6 times the previous term.
Continue the pattern to find the next three terms.
9,331.2
Answer: The next three terms are 259.2, 1,555.2, and 9,331.2.

6. Sequences •6 , geometric +12 , arithmetic •7 , geometric
•3, •4, •5 … , neither
20.6, 24.6, 28.6
204.8, ,
53, 58, 63
768, 3072, 12288
1.3, 1.6, 1.9
Sequences
2013, 2020, 2037

7. Sequences For each sequence below: Name the rule (or pattern)
Identify the type of sequence.
Draw the next 2 shapes. 1. 2.
For each sequence below:
Name the rule (or pattern)
Identify the type of sequence.
Fill in the missing term.
_____ , 12, 36, 108, …
, 9.4, 12.8, _____ , 19.6
, 2.4, 9.6, _____