Decide if a sequence is arithmetic, geometric or neither
9th grade (Year 10 in England) · 16 questions · Common Core: HSF.LE.A.1, HSF.BF.A.2 · England: GCSE Foundation Algebra, GCSE Higher Algebra
Name
Date
Score/ 16
Question 1
What type of sequence does aₙ = 5n + 8 produce?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 2
Is −9, −6, −3, 0, 3, … arithmetic, geometric or neither?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 3
What type of sequence does aₙ = 6n + 8 produce?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 4
Is −3, −8, −13, −18, −23, … arithmetic, geometric or neither?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 5
What type of sequence does aₙ = 6 × 3ⁿ produce?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 6
Is 4, 7, 10, 13, 16, … arithmetic, geometric or neither?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 7
What type of sequence does aₙ = n² + 7 produce?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 8
Is 1, 1, 2, 3, 5, … arithmetic, geometric or neither?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 9
What type of sequence does aₙ = 3n − 6 produce?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 10
Is 1, −2, 4, −8, 16, … arithmetic, geometric or neither?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 11
What type of sequence does aₙ = n² + 3 produce?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 12
Is 2, 3, 5, 8, 12, … arithmetic, geometric or neither?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 13
What type of sequence does aₙ = n² − 1 produce?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 14
Is 3, 12, 48, 192, 768, … arithmetic, geometric or neither?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 15
What type of sequence does aₙ = 6 × 2ⁿ produce?
- A. Arithmetic
- B. Geometric
- C. Neither
Question 16
Is 2, 6, 18, 54, 162, … arithmetic, geometric or neither?
- A. Arithmetic
- B. Geometric
- C. Neither
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