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1. |
Factor 144 completely. |
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A. |
3 · 3 · 4 · 4 |
B. |
12 · 12 |
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C. |
4 · 4 · 9 |
D. |
2 · 2 · 2 · 2 · 3 · 3 |
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Hint |
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2. |
Write the stems that would be used in a stem-and-leaf plot for the data.
28 32 38 30 31 13 36 35
38 27 14 29 32 28 27 15 |
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A. |
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B. |
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C. |
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D. |
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Hint |
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3. |
Is the graph below misleading? Why or why not? |
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A. |
No; The graph is easy to read. |
B. |
Yes; The vertical axis is not uniform and does not include zero. |
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C. |
No; Every store has a price listed. |
D. |
Yes; The information is presented in a bar graph. |
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Hint |
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4. |
From a class with 12 boys and 15 girls, one student is selected at random. What are the odds in favor of selecting a girl? |
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A. |
4:5 |
B. |
5:9 |
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C. |
4:9 |
D. |
5:4 |
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Hint |
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5. |
Use a protractor to measure  . |
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A. |
115 |
B. |
100 |
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C. |
180 |
D. |
65 |
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Hint |
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6. |
If a cone has a circular base whose diameter is 13.5 meters, and it has a slant height of 16.8 meters, find the surface area of the cone. |
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A. |
797.3 m2 |
B. |
499.4 m2 |
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C. |
572.6 m2 |
D. |
712.5 m2 |
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Hint |
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7. |
Solve  |
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A. |
p = -176 |
B. |
p = 5 |
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C. |
p = 176 |
D. |
p = -5 |
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Hint |
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8. |
Solve  |
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A. |
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B. |
x = 98 |
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C. |
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D. |
x = 2 |
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Hint |
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9. |
Solve 7(x + 2) – 10 = 7x + 4. |
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A. |
x = 1 |
B. |
All real numbers |
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C. |
x = -2 |
D. |
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Hint |
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10. |
Write an equation in slope-intercept form of a line with slope  and y- intercept 0. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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11. |
Solve the system of equations given byy = 2x – 7 and y = 5. |
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A. |
(6, 5) |
B. |
(5, 3) |
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C. |
(3, 5) |
D. |
(-1, 5) |
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Hint |
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12. |
If leg a is 13 inches long and leg b is 21 inches long, what is the length of hypotenuse c? Round to the nearest tenth. |
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A. |
5.8 inches |
B. |
31.1 inches |
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C. |
8.2 inches |
D. |
24.7 inches |
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Hint |
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13. |
Find the perimeter of  to the nearest tenth. |
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A. |
14.6 units |
B. |
17.3 units |
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C. |
8.1 units |
D. |
18.5 units |
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Hint |
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14. |
Find the coordinates of the midpoint of  |
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A. |
(0.5, -0.5) |
B. |
(-4.5, -1.5) |
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C. |
(1, -1) |
D. |
(2, 0) |
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Hint |
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15. |
The stem-and-leaf plot lists the heights of 37 children. What is the difference between the shortest and tallest child? |
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A. |
23 cm |
B. |
3 cm |
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C. |
39 cm |
D. |
32 cm |
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Hint |
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16. |
The box-and-whisker plot represents the test scores of 25 students. What percent of the scores were between 65 and 79? |
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A. |
50% |
B. |
100% |
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C. |
25% |
D. |
75% |
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Hint |
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17. |
What is the probability of tossing heads on a coin four times in a row? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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18. |
Classify the polygon. |
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A. |
heptagon |
B. |
nonagon |
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C. |
decagon |
D. |
octagon |
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Hint |
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19. |
Find the surface area of the cylinder. Round to the nearest tenth. |
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A. |
3,068 m2 |
B. |
6,135.9 m2 |
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C. |
5,645 m2 |
D. |
14,235.3 m2 |
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Hint |
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20. |
Find the surface area of the cone. Round to the nearest tenth. |
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A. |
483.8 cm2 |
B. |
269.4 cm2 |
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C. |
615.8 cm2 |
D. |
593.8 cm2 |
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Hint |
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