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1. |
The heights in inches of 10 senior boys are 64, 65, 66, 68, 71, 72, 73, 73, 73, and 74. Find the mean of the heights. |
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A. |
69.9 in. |
B. |
70.0 in. |
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C. |
69.7 in. |
D. |
69.8 in. |
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Hint |
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2. |
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 gymnasts at the school. |
B. |
Choose every third girl out of 100 randomly selected names. |
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C. |
Choose 30 girls in the cafeteria at noon. |
D. |
Choose 30 girls on the basketball team. |
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Hint |
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3. |
Solve  |
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A. |
 |
B. |
-1 |
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C. |
 |
D. |
1 |
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Hint |
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4. |
Find  . |
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A. |
-15 |
B. |
15 |
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C. |
14 |
D. |
-14 |
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Hint |
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5. |
Find the surface area of the rectangular prism. |
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 |
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A. |
216 square centimeters |
B. |
100 square centimeters |
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C. |
114 square centimeters |
D. |
228 square centimeters |
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Hint |
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6. |
Find the perimeter of a rectangle whose dimensions are 12 cm by
9 cm. |
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A. |
42 cm |
B. |
42 cm |
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C. |
43 cm |
D. |
43 cm |
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Hint |
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7. |
Find the length of the side opposite the 30° angle in a 30°, 60°, 90° triangle if the hypotenuse is 13 inches long. |
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A. |
11 in. |
B. |
26 in. |
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C. |
3 in. |
D. |
6 in. |
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Hint |
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8. |
Triangle XYZ has vertices X(5, -2), Y(8, -2) and Z(8, -5). What has occurred to produce X'(-5, 2), Y'(-8, 2) and Z'(-8, 5)? |
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A. |
Reflection about the x-axis |
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B. |
90? counterclockwise rotation about the origin |
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C. |
180? rotation about the origin |
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D. |
Reflection about the y-axis. |
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Hint |
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9. |
Point A(-6, 3) is rotated 180° about the origin. Give the ordered pair for A'. |
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A. |
(-3, -6) |
B. |
(-6, -3) |
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C. |
(6, 3) |
D. |
(6, -3) |
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Hint |
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10. |
How many outcomes are possible from choosing a card from a standard deck of playing cards, rolling a die, and tossing a coin? |
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A. |
312 |
B. |
208 |
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C. |
624 |
D. |
60 |
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Hint |
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11. |
Eight points are located on a circle. How many line segments can be drawn with these points as endpoints? |
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A. |
28 |
B. |
4 |
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C. |
56 |
D. |
16 |
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Hint |
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12. |
The week before an election, a telephone poll was conducted to see how registered voters would vote for Issue 1. The table shows the results of the five-day poll. What percent of registered voters said they would vote yes on Issue 1? |
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A. |
76% |
B. |
41.95% |
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C. |
58.05% |
D. |
67% |
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Hint |
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13. |
Evaluate a – b + 2 if a = -7 and b = 5. |
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A. |
10 |
B. |
-4 |
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C. |
-10 |
D. |
4 |
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Hint |
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14. |
Solve t + 14.7 = -7.8. |
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A. |
-22.5 |
B. |
22.5 |
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C. |
-6.9 |
D. |
6.9 |
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Hint |
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15. |
Classify the quadrilateral using the name that best describes it. |
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 |
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A. |
parallelogram |
B. |
trapezoid |
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C. |
square |
D. |
rhombus |
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Hint |
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16. |
Identify the precision unit of the scale. |
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A. |
12 pound |
B. |
10 pounds |
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C. |
1 pound |
D. |
5 pounds |
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Hint |
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17. |
Over the last 10 years, the probability that tomato plants planted by Mr. Yang will produced tomatoes is  . If Mr. Yang wants 35 tomato plants to produce tomatoes, how many should he plant? |
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A. |
35 plants |
B. |
38 plants |
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C. |
40 plants |
D. |
45 plants |
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Hint |
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18. |
The histograms show the number of buildings above 400 feet in Dallas and Philadelphia. Which statement is true? |
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A. |
Dallas has more buildings between 400 and 599 feet than Philadelphia has. |
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B. |
Philadelphia has more buildings 400 feet and taller than Dallas has. |
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C. |
Philadelphia has more buildings 700 feet or taller than Dallas has. |
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D. |
Dallas has more buildings 600 feet or taller than Philadelphia has. |
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Hint |
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19. |
Find all outliers for the data.
20, 16, 8, 12, 6, 31, 15, 14 |
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A. |
6 |
B. |
31 |
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C. |
none |
D. |
6 and 31 |
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Hint |
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20. |
Solve 5.4a + 8.2 = 9.8a - 2.8. |
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A. |
1.2 |
B. |
-1.2 |
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C. |
2.5 |
D. |
-2.5 |
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Hint |
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