1. 
An arithmetic sequence is a sequence wherethe difference of successive terms is constant.

2. 
The sequence 1, 1, 1, 1,... isboth arithmetic and geometric

3. 
The sequence 0, 3, 6, 9, ... isarithmetic only.

4. 
The sequence 60, 30, 15, 7.5,... isgeometric with

5. 
An arithmetic sequence has a_{1} = 5 and d = 9. What is a_{25}?221

6. 
An arithmetic sequence has a_{11} = 4.54 and a_{20} = 9.04. Find a_{1} and d.d = 0.5 and a_{1} = 0.46

7. 
A geometric sequence has a = 100,000 and r = 0.2. Find a_{10}.0.0512

8. 
A geometric sequence has a_{5} = c and a_{10} = d. Which of the following is true?

9. 
In a geometric sequence, the general term is given bya_{n} = a_{1}r^{n + 1}

10. 
An arithmetic sequence has a_{8} = 9.5 and a_{9} = 9.75. What is a_{2}?7.75
