1. 
An arithmetic sequence is a sequence where > the difference of successive terms is constant.

2. 
The sequence 1, 1, 1, 1,... is > both arithmetic and geometric

3. 
The sequence 0, 3, 6, 9, ... is > arithmetic only.

4. 
The sequence 60, 30, 15, 7.5,... is > geometric 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 by > a_{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
