| |
| |
1. |
Solve the equation a = (-5) + 13. |
| |
|
A. |
-18 |
B. |
8 |
| |
|
C. |
18 |
D. |
-8 |
| |
|
Hint |
|
| |
2. |
Choose a tens digit for 2?6 so that the three-digit number is divisible by 6. |
| |
|
A. |
0 |
B. |
3 |
| |
|
C. |
2 |
D. |
1 |
| |
|
Hint |
|
| |
3. |
Determine which expression is not a monomial. |
| |
|
A. |
-14(-st)(3u) |
B. |
17p(-qr) |
| |
|
C. |
12w(xy + z) |
D. |
ab |
| |
|
Hint |
|
| |
4. |
In the expression (-4)2, -4 is called the ______. |
| |
|
A. |
product |
B. |
exponent |
| |
|
C. |
base |
D. |
power |
| |
|
Hint |
|
| |
5. |
Evaluate the expression 4n + m2 if m = 6 and n = 8. |
| |
|
A. |
88 |
B. |
40 |
| |
|
C. |
44 |
D. |
68 |
| |
|
Hint |
|
| |
6. |
What is the complete factorization of -168? |
| |
|
A. |
-1 · 2 · 32 · 7 |
B. |
-1 · 2 · 3 · 7 |
| |
|
C. |
-1 · 23 · 3 · 7 |
D. |
-1 · 2 · 3 · 4 · 7 |
| |
|
Hint |
|
| |
7. |
What is the greatest common factor of 45, 75, and 135? |
| |
|
A. |
5 |
B. |
9 |
| |
|
C. |
25 |
D. |
15 |
| |
|
Hint |
|
| |
8. |
What is the greatest common factor of 18mn2, 54m4, and 80n3? |
| |
|
A. |
9mn |
B. |
2 |
| |
|
C. |
18m2n3 |
D. |
2mn2 |
| |
|
Hint |
|
| |
9. |
Write in simple form. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
Find 32 · 34. |
| |
|
A. |
39 |
B. |
36 |
| |
|
C. |
38 |
D. |
32 |
| |
|
Hint |
|
| |
11. |
Express 7-3 using positive exponents. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
(-7)3 |
D. |
 |
| |
|
Hint |
|
| |
12. |
Write a2b-3 using positive exponents. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
13. |
How would 9.3 × 10-7 be written in standard form? |
| |
|
A. |
930,000,000 |
| |
|
B. |
0.00000093 |
| |
|
C. |
0.000000093 |
| |
|
D. |
93,000,000 |
| |
|
Hint |
|
| |
14. |
Write in standard form. |
| |
|
A. |
3.57682 |
B. |
0.357682 |
| |
|
C. |
3,576,820 |
D. |
357,682 |
| |
|
Hint |
|
| |
15. |
Which fraction is written in simplest form? |
| |
|
A. |
Already simplified |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
16. |
Find  |
| |
|
A. |
18 |
B. |
x8 |
| |
|
C. |
x3 |
D. |
13 |
| |
|
Hint |
|
|
|