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1. |
Solve  = 5. |
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A. |
45 |
B. |
36 |
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C. |
4 |
D. |
14 |
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Hint |
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2. |
Write an equation to represent ''the product of 7 and m is 29.'' |
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A. |
m - 7 = 29 |
B. |
7 + m = 29 |
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C. |
7m = 29 |
D. |
29m = 7 |
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Hint |
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3. |
Write an integer to represent a debt of $45. |
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A. |
-45 and +45 |
B. |
+ 45 |
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C. |
-45 |
D. |
|-45| |
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Hint |
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4. |
Order the integers {2, 0, -4, -6, 1} from least to greatest. |
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A. |
{-6, -4, 0, 2, 1} |
B. |
{-4, -6, 0, 2, 1} |
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C. |
{-6, -4, 0, 1, 2} |
D. |
{0, 1, 2, -4, -6} |
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Hint |
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5. |
Mary is 4 years old and her brother Marcus is 7 years old. Write two inequalities to represent their ages. |
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A. |
4 > 7 and 7 > 4 |
B. |
4 < 7 and 7 < 4 |
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C. |
4 > 7 and 7 < 4 |
D. |
4 < 7 and 7 > 4 |
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Hint |
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6. |
Solve a = (-1)(-4)(-3). |
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A. |
13 |
B. |
-12 |
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C. |
12 |
D. |
-8 |
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Hint |
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7. |
Evaluate the expression -5ac if a = -2 and c = -3. |
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A. |
30 |
B. |
10 |
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C. |
-10 |
D. |
-30 |
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Hint |
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8. |
Evaluate the expression ab ÷ c if a = -2, b = -4, and c = 4. |
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A. |
4 |
B. |
-2 |
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C. |
2 |
D. |
-1 |
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Hint |
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9. |
Express 7,000,000,000 in scientific notation. |
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A. |
7 × 106 |
B. |
7 × 1012 |
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C. |
7 × 109 |
D. |
7 × 108 |
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Hint |
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10. |
To add fractions with like denominators,________. |
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A. |
subtract the numerators |
B. |
add the numerators and add the denominators |
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C. |
add the numerators and subtract the denominators |
D. |
add the numerators |
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Hint |
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11. |
Solve 256 = 16w. |
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A. |
256 |
B. |
4096 |
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C. |
1 |
D. |
16 |
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Hint |
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12. |
Solve b + 17 = -21. |
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A. |
b = 4 |
B. |
b = -38 |
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C. |
b = -4 |
D. |
b = 38 |
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Hint |
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13. |
Replace ________ to make –1.45________-1 a true sentence. |
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A. |
< |
B. |
None of these |
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C. |
> |
D. |
= |
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Hint |
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14. |
Find the perimeter of a square whose side is 2 meters long. |
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A. |
 m |
B. |
 m |
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C. |
 m |
D. |
 m |
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Hint |
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15. |
Solve x = 4 ÷ -36. |
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A. |
x = |
B. |
x = -8 |
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C. |
x = |
D. |
x = -152 |
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Hint |
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16. |
The area of a rectangle is 60 in2. Find the width of the rectangle if the length is 12 in. |
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A. |
2 in. |
B. |
3 in. |
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C. |
5 in. |
D. |
in. |
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Hint |
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17. |
Evaluate -7 + |d| if d = -6. |
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A. |
13 |
B. |
-13 |
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C. |
-1 |
D. |
1 |
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Hint |
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18. |
An African elephant calf weighs about 250 pounds at birth. A male adult elephant weighs 12,000 pounds. Which equation can be used to determine the number of pounds the elephant gains in his lifetime? Let p represent the number of pounds gained. |
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A. |
250 + p = 12,000 |
B. |
12,000 + p = 250 |
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C. |
250p = 12,000 |
D. |
250 – p = 12,000 |
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Hint |
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19. |
Solve -23t = 92. |
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A. |
-4 |
B. |
4 |
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C. |
-2,116 |
D. |
2,116 |
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Hint |
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20. |
Evaluate 5-3. |
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A. |
- |
B. |
125 |
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C. |
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D. |
-125 |
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Hint |
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