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1. |
Write 2 · 3 · 2 · 3 · 3 · 7 using exponents. |
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A. |
22 · 33 · 7 |
B. |
22 · 33 · 72 |
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C. |
23 · 32 · 7 |
D. |
23 · 32 · 72 |
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Hint |
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2. |
Write an integer to describe a city 325 feet above sea level. |
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A. |
+325 and -325 |
B. |
+325 and |-325| |
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C. |
+325 |
D. |
-325 |
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Hint |
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3. |
Solve x = -2 + 7 + (-11). |
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A. |
6 |
B. |
-6 |
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C. |
20 |
D. |
-20 |
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Hint |
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4. |
Solve t = (-7)(-3). |
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A. |
-21 |
B. |
-10 |
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C. |
10 |
D. |
21 |
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Hint |
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5. |
Express the ratio as a percent. One out of 50 states consists of a single syllable. |
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A. |
3% |
B. |
1% |
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C. |
4% |
D. |
2% |
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Hint |
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6. |
Find the mean, median, and mode for {4, 6, 7, 7, 11, 12, 16}. |
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A. |
9, 9, 7 |
B. |
7, 7, 9 |
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C. |
7, 9, 7 |
D. |
9, 7, 7 |
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Hint |
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7. |
In a college of 1000 girls, the dean wanted to choose a sample of 30 girls to represent the whole school. She wanted to determine average height. Which survey would get the best results? |
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A. |
Choose 30 girls in the cafeteria at noon. |
B. |
Choose every third girl out of 100 randomly selected names. |
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C. |
Choose 30 girls on the basketball team. |
D. |
Choose 30 gymnasts at the school. |
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Hint |
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8. |
-13 is _____. |
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A. |
a whole number and rational number |
B. |
a whole number and an integer |
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C. |
an integer and rational number |
D. |
a whole number |
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Hint |
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9. |
Replace _____ with <, >, or = to make -0.6 _____ - a true sentence. |
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A. |
> |
B. |
= |
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C. |
None of these is correct. |
D. |
< |
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Hint |
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10. |
Express 0.9% as a decimal. |
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A. |
0.009 |
B. |
9 |
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C. |
0.9 |
D. |
0.09 |
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Hint |
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11. |
Find  - . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
Express $120.00 over 15 hours as a unit rate. |
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A. |
$13.00 per hour |
B. |
$12.50 per hour |
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C. |
$10.00 per hour |
D. |
$8.00 per hour |
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Hint |
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13. |
Find the measure of each angle in  XYZ if mX = (3x+20)°, mY = (2x+20)°, and Z is a right angle. |
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A. |
90°, 20°, 70° |
B. |
90°, 45°, 45° |
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C. |
90°, 30°, 60° |
D. |
90°, 40°, 50° |
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Hint |
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14. |
Find the surface area of a triangular prism whose bases are right triangles with legs 3 centimeters and 4 centimeters and whose height is 10 centimeters. |
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A. |
144 cm2 |
B. |
132 cm2 |
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C. |
60 cm2 |
D. |
162 cm2 |
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Hint |
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15. |
Find the surface area of the solid shown. |
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A. |
988.96 cm2 |
B. |
856.51 cm2 |
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C. |
972.16 cm2 |
D. |
649.04 cm2 |
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Hint |
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16. |
Solve -4.8 = 3.2d. |
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A. |
15.36 |
B. |
1.5 |
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C. |
-1.5 |
D. |
-15.36 |
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Hint |
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17. |
Evaluate 5-3. |
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A. |
-125 |
B. |
125 |
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C. |
- |
D. |
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Hint |
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18. |
The two triangles shown in the figure are similar. Find the distance d across the river. |
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A. |
16 meters |
B. |
25 meters |
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C. |
81 meters |
D. |
18 meters |
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Hint |
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19. |
Identify the precision unit of the watch. |
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A. |
1 second |
B. |
30 seconds |
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C. |
1 minute |
D. |
1 hour |
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Hint |
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20. |
Translate the following sentence into an equation. Nine is the sum of 1 and two times a number. |
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A. |
1 = 9 + 2n |
B. |
9 = 1(2n) |
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C. |
9 = 2 + n |
D. |
9 = 1 + 2n |
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Hint |
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