Unit 1 Lesson 3

Here are the first two terms of an arithmetic sequence: -2, 4, ... What are the next three terms?

• -8, 16, -32

• -2, -8, -14

• 10, 16, 22

• 16, 34, 58

Here are the first two terms of an arithmetic sequence: 11, 111, ... What are the next three terms?

• 1,120, 11,301, 114,037

• 211, 311, 411

• 1111, 11111, 111111

• 1112, 11122, 111222

Here are the first two terms of an arithmetic sequence: 5, 7.5, ... What are the next three terms?

• 12.5, 20, 30

• 11.25, 16.875, 25.3125

• 9.75, 11.975, 13.11975

• 10, 12.5, 15

Here are the first two terms of an arithmetic sequence: 5, -4, ... What are the next three terms?

• -13, -22, -31

• 5, -6.25, 7.8125

• 3, -2, 1

• -11, -16, -19

Decide if the sequence is arithmetic, geometric, or neither.

• arithmetic

• geometric

• neither

Decide if the sequence is arithmetic, geometric, or neither.

• arithmetic

• geometric

• neither

Decide if the sequence is arithmetic, geometric, or neither.

• arithmetic

• geometric

• neither

Decide if the sequence is arithmetic, geometric, or neither.a

• arithmetic

• geometric

• neither

Decide if the sequence is arithmetic, geometric, or neither.

• arithmetic

• geometric

• neither

Complete each arithmetic sequence with its missing terms, then state the rate of change for each sequence.