Sequences Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. A sequence starts: 2, 5, 8, 11, ... Using the term-to-term rule, what is the next term?
- A. 14
- B. 15
- C. 16
- D. 17
2. Which of the following is a sequence of triangular numbers?
- A. 1, 4, 9, 16, 25, ...
- B. 1, 3, 6, 10, 15, ...
- C. 1, 2, 4, 8, 16, ...
- D. 1, 1, 2, 3, 5, ...
3. For the arithmetic sequence 3, 7, 11, 15, ..., what is the nth term rule?
- A. 4n - 1
- B. 3n + 4
- C. n + 2
- D. 4n + 3
4. Identify which sequence is geometric and which is arithmetic: Sequence P: 2, 6, 18, 54, ... Sequence Q: 2, 6, 10, 14, ...
- A. P is arithmetic; Q is geometric
- B. P is geometric; Q is arithmetic
- C. Both are arithmetic
- D. Both are geometric
5. A geometric sequence has first term a = 5 and common ratio r = 2. What is the 4th term?
- A. 20
- B. 35
- C. 40
- D. 80