Review of Arithmetic Sequences

Which function represents the sequence?

• a_n = n - 3

• a_n = -3n + 10

• a_n = 10n - 3

• a_n = -3n + 13

Which function represents the sequence?

• a_n = 4n + 5

• a_n = 4n + 1

• a_n = n + 4

• a_n = 5n + 4

Which function represents the sequence?

• a_n = n + 2

• a_n = 2n - 12

• a_n = 2n - 14

• a_n = -2n - 12

Which function represents the sequence?

• a_n = 3n - 6

• a_n = -3n - 6

• a_n = n - 3

• a_n = -3n - 3

What is the tenth term in the sequence a_n = -3n + 2?

• 32

• -28

• -30

• 9

What is the fifth term in the sequence a_n = 8n - 4?

• 36

• 40

• 44

• 9

What is the third term in the sequence a_n = -2n + 5?

• 6

• 11

• -6

• -1

Marci got a new job. Her first year she made $40,000, and she received a raise of $800 per year. Which equation models her salary after n years?

• a_n = 800n + 40,000

• a_n = 800n + 40,800

• a_n = 800n + 39,200

• a_n = -800n + 40,800

Matt put some money in the bank. The first year he had $3000 and deposited $500 each year after that. Which equation models the amount in the bank after n years?

• a_n = 500n + 3000

• a_n = -500n + 3000

• a_n = n + 500

• a_n = 500n + 2500

Chad bought a car. After the fist year he owed $24,000 on it. Each year after that he paid $5000 a year on it. Which equation models the amount he owes on the car after n years?

• a_n = -5000n + 24,000

• a_n = -5000n + 29,000

• a_n = -5000n + 19,000

• a_n = 24,000n + 5000