| |
| |
1. |
Evaluate 3x + 2y if x = 3 and y = 7. |
| |
|
A. |
23 |
B. |
105 |
| |
|
C. |
27 |
D. |
5 |
| |
|
Hint |
|
| |
2. |
Evaluate if a = 5, b = 6 and c = 3. |
| |
|
A. |
10 |
B. |
 |
| |
|
C. |
3 |
D. |
30 |
| |
|
Hint |
|
| |
3. |
Evaluate 34. |
| |
|
A. |
81 |
B. |
7 |
| |
|
C. |
12 |
D. |
64 |
| |
|
Hint |
|
| |
4. |
Which number is a solution to x + 7 = 16? |
| |
|
A. |
23 |
B. |
8 |
| |
|
C. |
10 |
D. |
9 |
| |
|
Hint |
|
| |
5. |
Solve 3x = 18. |
| |
|
A. |
6 |
B. |
15 |
| |
|
C. |
21 |
D. |
7 |
| |
|
Hint |
|
| |
6. |
3.5 g = ______mg |
| |
|
A. |
0.0035 |
B. |
0.35 |
| |
|
C. |
3,500 |
D. |
350 |
| |
|
Hint |
|
| |
7. |
Write 2,564,000 in scientific notation. |
| |
|
A. |
2,564×103 |
B. |
2.564×106 |
| |
|
C. |
25.64×105 |
D. |
2.564×105 |
| |
|
Hint |
|
| |
8. |
What is the next term in the sequence 1, 4, 7, 10, … ? |
| |
|
A. |
30 |
B. |
40 |
| |
|
C. |
17 |
D. |
13 |
| |
|
Hint |
|
| |
9. |
What is the next term in the sequence 1, 5, 25, 125, … ? |
| |
|
A. |
225 |
B. |
625 |
| |
|
C. |
3,125 |
D. |
129 |
| |
|
Hint |
|
| |
10. |
Anna lives in San Francisco, and she has a business partner in Washington, D.C. Sometimes she flies to Washington for meetings; San Francisco and Washington, D.C., are 2438 miles apart. In August, Anna flies to Washington and back twice. What is a good estimate of the number of miles she has flown in August? |
| |
|
A. |
1000 miles |
B. |
5000 miles |
| |
|
C. |
10000 miles |
D. |
2500 miles |
| |
|
Hint |
|
| |
11. |
Evaluate 42 - 10 |
| |
|
A. |
6 |
B. |
2 |
| |
|
C. |
16 |
D. |
26 |
| |
|
Hint |
|
| |
12. |
Find the next term in the sequence 13, 19, 24, 28, … |
| |
|
A. |
33 |
B. |
41 |
| |
|
C. |
31 |
D. |
32 |
| |
|
Hint |
|
| |
13. |
Write 45 as a product of the same factor. |
| |
|
A. |
4 · 4 · 4 · 4 |
B. |
5 · 5 · 5 · 5 · 5 |
| |
|
C. |
5 · 5 · 5 · 5 |
D. |
4 · 4 · 4 · 4 · 4 |
| |
|
Hint |
|
| |
14. |
Write 63 as a product of the same factor. |
| |
|
A. |
3 · 3 · 3 · 3 · 3 · 3 |
B. |
6 · 6 · 6 |
| |
|
C. |
3 · 3 · 3 |
D. |
6 · 6 · 6 · 6 · 6 · 6 |
| |
|
Hint |
|
| |
15. |
Evaluate 124. |
| |
|
A. |
48 |
B. |
16,777,216 |
| |
|
C. |
20,736 |
D. |
18,491 |
| |
|
Hint |
|
| |
16. |
The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression cannot be used to find the total number of hours she spent in the chat room? |
| |
|
 |
| |
|
A. |
5(1.5 + 1) + 2 |
| |
|
B. |
1.5 + 1.5 + 1.5 + 1 + 1 + 2 |
| |
|
C. |
3 × 1.5 + 2 × 1 + 2 |
| |
|
D. |
3(1.5) + 2(1) + 2 |
| |
|
Hint |
|
| |
17. |
Use the Distributive Property to find 3(13 + 5) written as an equivalent expression. |
| |
|
A. |
3 + 13 × 3 + 5 |
B. |
3(13) + 3(5) |
| |
|
C. |
3(18) |
D. |
3 + 13 + 3 + 5 |
| |
|
Hint |
|
| |
18. |
Describe and identify the pattern in the sequence. 6, 7, 9, 12, 16, … |
| |
|
A. |
+1; arithmetic |
B. |
Add 1 to the first term, add 2 to the second term, and so on; neither arithmetic nor geometric |
| |
|
C. |
×2; geometric |
D. |
Add 2 to the first term, add 4 to the second term, and so on; neither arithmetic nor geometric |
| |
|
Hint |
|
| |
19. |
Choose the sequence that is neither arithmetic nor geometric. |
| |
|
A. |
2, 1, 0.5, 0.25, … |
B. |
1, 1, 1, 1, … |
| |
|
C. |
15, 18, 21, 25, … |
D. |
11, 18, 25, 32, … |
| |
|
Hint |
|
| |
20. |
Write 6.2 × 105 in standard form. |
| |
|
A. |
62,000,000 |
B. |
62,000 |
| |
|
C. |
6,200,000 |
D. |
620,000 |
| |
|
Hint |
|
|
|