Arithmetic Sequence Formula Quiz (5 Questions)

1. Find the 6th term if a₁ = 2 and d = 5

2. Write the formula for a sequence with a₁ = −1 and d = 4

3. Find the 12th term of: 7, 10, 13, …

4. If a₁ = 10 and d = −2, does the sequence increase or decrease?

5. What does the (n − 1) represent in the formula?

Answer Key

1. 27

2. aₙ = −1 + (n − 1)4

3. 40

4. Decreases

5. How many times the common difference is added