| |
| |
1. |
Determine the sum of an arithmetic series where n = 45, a1 = 14.3, and an = 80.3. |
| |
|
A. |
3627.8 |
B. |
4257 |
| |
|
C. |
2128.5 |
D. |
3613.5 |
| |
|
Hint |
|
| |
2. |
Find the first three terms of the arithmetic series in which a1 = 6,
an = 201, and Sn = 4140. |
| |
|
A. |
6, 5, 40 |
B. |
6, 46, 86 |
| |
|
C. |
6, 11, 16 |
D. |
5, 10, 15 |
| |
|
Hint |
|
| |
3. |
 |
| |
|
A. |
–7 + (-8) + (-9) + (-10); -34 |
| |
|
B. |
–7 + 8 + (-9) + 10; 2 |
| |
|
C. |
7 + 8 + 9 + 10; 34 |
| |
|
D. |
7 – 8 + 9 – 10; -2 |
| |
|
Hint |
|
| |
4. |
Which of the following is not a series? |
| |
|
A. |
5 + 7 + 9 + 11 + … |
B. |
6 – 3 – 3 – 3 – … |
| |
|
C. |
8 + 2 + 2 + 2 + … |
D. |
 |
| |
|
Hint |
|
| |
5. |
Evaluate  |
| |
|
A. |
434 |
B. |
372 |
| |
|
C. |
403 |
D. |
377 |
| |
|
Hint |
|
|
|