1. 
A sequence is > an infinite list of numbers.

2. 
A sequence is defined by Find a_{2}. >

3. 
Let a_{n} be the decimal expansion of correct to n decimal places. Find a<sub>1</sub>. > 3.3

4. 
Which formula gives the general term for the sequence of positive odd numbers if we start the sequence at n = 0? > a_{n} = 2n – 1

5. 
Find the formula for the general term of the sequence 0, 10, 20, 30, 40, 50 if we start with n = 0. > a_{n} = (1)^{n}10n

6. 
Give the formula for the general term of the sequence starting with n = 1. >

7. 
Which of the following descriptions produce the sequence of natural numbers 1, 2, 3, 4,... ? (I) a_{n} = n starting at n = 1 (II) a_{n} = n – 1 starting at n = 1 (III) a_{n} = n starting at n = 0 (IV) a_{n} = (n + 1) starting at n = 0 > I and IV

8. 
Find the general term of the sequence 0.5, 2, 4.5, 8, 12.5, ... starting with n = 1. > a_{n} = 1.5n – 1

9. 
Which description produces the sequence 0,6,24,60,... ? > a_{n} = n^{3 }– n starting at n = 1

10. 
Find the general term for the sequence starting with n = 1. >
