Sequence notation

12 questions

1. Which of these are the first 4 terms in the sequence with n^\text{th} term rule 4n+2?
2. What is the correct n^\text{th} term rule for the linear sequence which starts 2, 7, 12, 17, ...?
3. Match the first 4 terms of these sequences with possible term-to-term rules.
4. What term number is 51 in the linear sequence which starts: 3, 9, 15, 21, ...?
5. A Fibonacci sequence starts 7, 11, 18, ... what is the fourth term?
6. A Fibonacci sequence has first term 4 and fourth term 14. What is the second term?
7. Which of these would be the correct notation to refer to the third term in a sequence?
8. Which of these could be correct notation for the linear sequence 5, 9, 13, 17, 21, ... ?
9. Match these terms to their rules.
10. A linear sequence has n^\text{th} term rule 5n +2 which of these could describe the same sequence?
11. A sequence has rule u_{n+2} = u_{n} + u_{n+1} , u_1 = 6, u_2 = 2 . What is the 5^\text{th} term?
12. A sequence has form u_{n+1}= ku_n -3 , u_1 = 2 If u_3 = 6 then k= -\frac{3}{2} or k=___

License: OGL