MULTIPLE CHOICE
1. What is the next term in the geometric sequence 4, 20, 100,..
A. 300
B. 200
C. 500

2. What is the 10th term of the geometric sequence 3/2, 3, 6, 12,..
A. 1536
B. 768
C. 384

3. In the geometric sequence 1, 6, 36,... which term is 1296?
A. 4
B. 6
C. 5

4. Describe the relationship between the terms of the geometric sequence -4, 12, -36, 108.
A. adding by -3 to the previous term
B. subtracting the previous term by 3
C. multiplying the previous term by 3
D. multiplying the previous term by -3

5. What is the next term of the geometric sequence -4, 12, -36?
A. 72
B. 108
C. 54
D. 42

6. If we insert one geometric mean between m and 1/m , which of the following is the mean?
A. 2
B. 1
C. 0
D. -1

7. If three geometric means are inserted between 120 and 15/2 , find the third of these geometric means?
A. 1
B. +/-60
C. +/-15
D. 30

8. What is the sum of the seven terms of the geometric sequence 3, 6, 12, 24, …?
A. 96
B. 381
C. 5 762
D. 192

9. Find the sum of an infinite geometric sequence whose 1= 3 and r = 1/6??
A. 9
B. 6
C. 18
D. 9/2

10. Find the sum of the terms of the infinite geometric sequence 9, 3, 1, 1/3,...
A. 27/2
B. 12
C. 36
D. 27 ​