| |
| |
1. |
Simplify 3(2a + b) + 6(a - 2b). |
| |
|
A. |
12a + 9b |
B. |
12a - 9b |
| |
|
C. |
12a + 15b |
D. |
12a + b |
| |
|
Hint |
|
| |
2. |
Express 0.091 in scientific notation. |
| |
|
A. |
9.1 × 10-2 |
B. |
9.1 × 10-1 |
| |
|
C. |
9.1 × 102 |
D. |
9.1 × 101 |
| |
|
Hint |
|
| |
3. |
Simplify (18q3r)(2qr4). |
| |
|
A. |
36qr |
B. |
36q4r5 |
| |
|
C. |
36q3r4 |
D. |
36q3r5 |
| |
|
Hint |
|
| |
4. |
Simplify (-3a5b3)4. |
| |
|
A. |
-12a9b7 |
B. |
-81a9b12 |
| |
|
C. |
81a20b12 |
D. |
-12a20b12 |
| |
|
Hint |
|
| |
5. |
State the additive inverse of -32. |
| |
|
A. |
32 |
B. |
0 |
| |
|
C. |
-32 |
D. |
1 |
| |
|
Hint |
|
| |
6. |
Find the difference -18 - 4. |
| |
|
A. |
14 |
B. |
22 |
| |
|
C. |
-22 |
D. |
-14 |
| |
|
Hint |
|
| |
7. |
Find the sum  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
Find the sum  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
Evaluate if x = -13, y = -10, and z = -5. |
| |
|
A. |
24 |
B. |
-26 |
| |
|
C. |
26 |
D. |
-24 |
| |
|
Hint |
|
| |
10. |
Simplify |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
27x3ny6 |
D. |
 |
| |
|
Hint |
|
| |
11. |
If A = {5, 6, 7, 8} and B = {8, 9}. what set notation means that 7 belongs to set A but not set B? |
| |
|
A. |
7 A, 7 B |
B. |
7 A, 7 B |
| |
|
C. |
7 = A, 7 B |
D. |
7 A, 7 B |
| |
|
Hint |
|
| |
12. |
What value is a solution to the equation  |
| |
|
A. |
8 |
B. |
-12 |
| |
|
C. |
-8 |
D. |
12 |
| |
|
Hint |
|
| |
13. |
Which is a graph of real numbers less than –2 ? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
14. |
Which is a graph showing the set of real numbers greater than -3 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
If A= {0,1,2,3,4}, B={2,4,6,8} and C= {-3, -2, -1, 0}, find  |
| |
|
A. |
{-3, -2, -1, 0, 2, 4, 6,8} |
B. |
{-3, -2, -1, 0, 1, 2, 3, 4} |
| |
|
C. |
{0} |
D. |
 |
| |
|
Hint |
|
| |
16. |
What is the value of cell B4? |
| |
|
 |
| |
|
A. |
6 |
B. |
1 |
| |
|
C. |
18 |
D. |
9 |
| |
|
Hint |
|
| |
17. |
What is the value of cell B2? |
| |
|
 |
| |
|
A. |
5 |
B. |
21 |
| |
|
C. |
12 |
D. |
27 |
| |
|
Hint |
|
| |
18. |
What is the value of cell C3? |
| |
|
 |
| |
|
A. |
90 |
B. |
1620 |
| |
|
C. |
27 |
D. |
1840 |
| |
|
Hint |
|
| |
19. |
What is the value of cell C2? |
| |
|
 |
| |
|
A. |
1 |
B. |
18 |
| |
|
C. |
36 |
D. |
27 |
| |
|
Hint |
|
| |
20. |
What is the value of cell D4? |
| |
|
 |
| |
|
A. |
1840 |
B. |
540 |
| |
|
C. |
1620 |
D. |
15 |
| |
|
Hint |
|
|
|