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1. |
Which number is not a perfect square? |
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A. |
49 |
B. |
27 |
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C. |
9 |
D. |
25 |
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Hint |
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2. |
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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3. |
Estimate  . |
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A. |
9 |
B. |
10 |
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C. |
8 |
D. |
11 |
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Hint |
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4. |
Suppose you are in a building and your eyes are 1,000 feet above the ground. The distance you can see to the horizon is  where h represents the height your eyes are from the ground in feet and d is the distance in miles. About how far can you see to the horizon if you estimate  to the nearest whole number? |
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A. |
about 36 miles |
B. |
about 38 miles |
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C. |
about 39 miles |
D. |
about 37 miles |
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Hint |
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5. |
Graph the ordered pairs (4, 0) and (7, 4). Then find the distance between the points. |
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A. |
2.6 units apart |
B. |
5 units apart |
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C. |
3 units apart |
D. |
4 units apart |
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Hint |
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6. |
The number 126 is __________. |
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A. |
an integer and a rational number |
B. |
an integer |
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C. |
a whole number, rational number, and an integer |
D. |
a rational number |
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Hint |
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7. |
Let R = real numbers, Q = rational number, Z = integers, W = whole numbers, and I = irrational numbers. Name the set(s) of numbers to which belongs. |
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A. |
R, I, W |
B. |
R, Q, I |
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C. |
R, I |
D. |
R, Q, Z, W |
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Hint |
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8. |
A triangle has sides 5 inches, 7 inches, and 10 inches. Is this a right triangle? Why? |
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A. |
Yes, because 52 + 72 = 102. |
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B. |
No, because 5 + 7  10. |
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C. |
Yes, because 5 + 7 > 10. |
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D. |
No, because 52 + 72 102. |
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Hint |
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9. |
A 15-foot ladder is placed against a house and reaches a second story window. The ladder's base is 9 feet from the house. How far above ground is the window? |
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A. |
17.5 feet |
B. |
12 feet |
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C. |
13 feet |
D. |
6 feet |
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Hint |
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10. |
A 9-foot ladder is placed 4 feet from the base of a building. How high does the ladder reach? |
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A. |
about 8.1 feet |
B. |
about 5 feet |
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C. |
about 7 feet |
D. |
about 9.8 feet |
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Hint |
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11. |
A guy wire is attached to a pole. It is anchored to the ground 5 feet from the base of the pole. If the wire is 18 feet long, how high is the wire attached to the pole? |
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A. |
13 feet |
B. |
16.8 feet |
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C. |
17.3 feet |
D. |
18.7 feet |
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Hint |
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12. |
A unit on the grid of the map of City Zoo is 0.02 mile. Find the distance between the monkey exhibit at (-4, 4) and the lion exhibit at (2, -3). |
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A. |
9.22 miles |
B. |
0.92 mile |
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C. |
1.84 miles |
D. |
0.18 mile |
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Hint |
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