| |
| |
1. |
Translate the phrase ''three less than a number'' into an algebraic expression. |
| |
|
A. |
x + 3 |
B. |
x - 3 |
| |
|
C. |
3 - x |
D. |
3x |
| |
|
Hint |
|
| |
2. |
Simplify the expression 138n + 272n. |
| |
|
A. |
500n |
B. |
410n |
| |
|
C. |
310n |
D. |
400n |
| |
|
Hint |
|
| |
3. |
Solve the equation a = (-5) + 13. |
| |
|
A. |
-18 |
B. |
18 |
| |
|
C. |
-8 |
D. |
8 |
| |
|
Hint |
|
| |
4. |
Which equation illustrates the additive inverse property? |
| |
|
A. |
6 + (-6) = 0 |
B. |
4 = 4 |
| |
|
C. |
2 + (-4) = (-2) |
D. |
(-3) + 0 = (-3) |
| |
|
Hint |
|
| |
5. |
Solve the equation 6 - (-8) = b. |
| |
|
A. |
14 |
B. |
2 |
| |
|
C. |
-2 |
D. |
18 |
| |
|
Hint |
|
| |
6. |
Which operation should be used to solve the equation n + 13 = 42? |
| |
|
A. |
Subtract 42 from each side. |
| |
|
B. |
Add 13 to each side. |
| |
|
C. |
Add 42 to each side. |
| |
|
D. |
Subtract 13 from each side. |
| |
|
Hint |
|
| |
7. |
The formula F =  C + 32 is used to convert the temperature in degrees
Celsius to degrees Fahrenheit. If the temperature outside is 18° Celsius,
what is the temperature in degrees Fahrenheit? |
| |
|
A. |
13.6° F |
B. |
64.4° F |
| |
|
C. |
38.8° F |
D. |
42.0° F |
| |
|
Hint |
|
| |
8. |
Write x6 as a multiplication expression. |
| |
|
A. |
6x |
| |
|
B. |
x · x · x · x · x · x |
| |
|
C. |
6 · 6 · 6 · 6 · 6 · 6 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
9. |
How would 9.3 × 10-7 be written in standard form? |
| |
|
A. |
93,000,000 |
| |
|
B. |
0.000000093 |
| |
|
C. |
930,000,000 |
| |
|
D. |
0.00000093 |
| |
|
Hint |
|
| |
10. |
Three more than the product of 6 and a number is 51. Write an equation and find the number. |
| |
|
A. |
3n(6) = 51;  |
| |
|
B. |
6n + 3 = 51; 8 |
| |
|
C. |
6 + n + 3 = 51; 42 |
| |
|
D. |
3 + 6n = 51; 15 |
| |
|
Hint |
|
| |
11. |
What is the range of the relation {(-1, 5), (2.3, 8.7), (5.1, -7.2),(6, -12.5)}. |
| |
|
A. |
{-6.5, -2.1, 4, 11} |
| |
|
B. |
{-1, 2.3, 5.1, 6} |
| |
|
C. |
{-12.5, -7.2, 5, 8.7} |
| |
|
D. |
{-12.5, -7.2, -1, 2.3, 5, 5.1, 6, 8.7} |
| |
|
Hint |
|
| |
12. |
A towing company charges $25.00 plus $1.50 per mile to tow a car. What is the cost to tow a car thirty miles? |
| |
|
A. |
$70.00 |
B. |
$56.50 |
| |
|
C. |
$795.00 |
D. |
$45.00 |
| |
|
Hint |
|
| |
13. |
Which value is the solution of 3x – 7 = 14? |
| |
|
A. |
8 |
B. |
6 |
| |
|
C. |
7 |
D. |
9 |
| |
|
Hint |
|
| |
14. |
Cheng-Yu has been recording data based on her age and height, which can be seen in the scatter plot shown. What relationship does the scatter plot show? |
| |
|
 |
| |
|
A. |
Negative Relationship |
B. |
No Relationship |
| |
|
C. |
Positive Relationship |
D. |
Scatter Relationship |
| |
|
Hint |
|
| |
15. |
Add –6 + (-6). |
| |
|
A. |
12 |
B. |
0 |
| |
|
C. |
-12 |
D. |
-6 |
| |
|
Hint |
|
| |
16. |
Find the sum –12 + 3 + (-6) + 14. |
| |
|
A. |
35 |
B. |
-16 |
| |
|
C. |
17 |
D. |
-1 |
| |
|
Hint |
|
| |
17. |
Simplify –20(z – 5). |
| |
|
A. |
-20z + 100 |
B. |
-20z – 5 |
| |
|
C. |
20z – 5 |
D. |
20z + 100 |
| |
|
Hint |
|
| |
18. |
Write the prime factorization of 500. |
| |
|
A. |
22 · 53 |
B. |
5 · 102 |
| |
|
C. |
23 · 52 |
D. |
24 · 52 |
| |
|
Hint |
|
| |
19. |
Write  as an expression using a negative exponent. |
| |
|
A. |
-26 |
B. |
2-6 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
20. |
Express 1,000,000 in scientific notation. |
| |
|
A. |
1 × 105 |
B. |
1 × 106 |
| |
|
C. |
1 × 107 |
D. |
1 × 10-6 |
| |
|
Hint |
|
|
|