| |
| |
1. |
Find the next three terms of the sequence 9, 2, -5, -12, ... . |
| |
|
A. |
-24, -31, and -38 |
B. |
None of these is correct. |
| |
|
C. |
-12, -17, and -24 |
D. |
-17, -24, and -31 |
| |
|
Hint |
|
| |
2. |
Find the seventeenth term, a17, in the sequence 11.7, 15.2, 18.7, ... |
| |
|
A. |
71.2 |
B. |
64.2 |
| |
|
C. |
74.7 |
D. |
67.7 |
| |
|
Hint |
|
| |
3. |
The fifth term of a geometric sequence is . The common ratio is . Find the first term. |
| |
|
A. |
11 |
B. |
10 |
| |
|
C. |
8 |
D. |
9 |
| |
|
Hint |
|
| |
4. |
Find the next three terms of 0, 9, 18, 27, …. |
| |
|
A. |
36, 45, 53 |
B. |
36, 45, 55 |
| |
|
C. |
36, 44, 53 |
D. |
36, 45, 54 |
| |
|
Hint |
|
| |
5. |
Determine whether the sequence is geometric. If it is, state the common ratio. Write the next three terms of the sequence. 96, 48, 24, 12, 6, … |
| |
|
A. |
The sequence is not geometric. |
| |
|
B. |
The sequence is geometric. The common ratio is 2. The next three terms are 3, , and . |
| |
|
C. |
The sequence is geometric. The common ratio is . The next three terms are 3, 1 , and . |
| |
|
D. |
The sequence is geometric. The common ratio is 2. The next three terms are 192, 384, and 768. |
| |
|
Hint |
|
|
|