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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. |
14 |
B. |
-15 |
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C. |
15 |
D. |
-14 |
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Hint |
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3. |
Estimate  to the nearest whole number. |
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A. |
7 |
B. |
4 |
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C. |
5 |
D. |
6 |
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Hint |
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4. |
Determine whether the number  is rational or irrational. |
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A. |
rational |
B. |
irrational |
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C. |
neither |
D. |
both |
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Hint |
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5. |
Graph  ,  and  on a number line. |
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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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6. |
Does the number triple 5, 6, and 8 represent the lengths of sides of a right triangle? Explain. |
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A. |
No, because 52 + 62  82. |
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B. |
Yes, because 52 + 62 = 82. |
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C. |
No, because 8 + 6 < 5. |
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D. |
Yes, because 5 + 6 > 8. |
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Hint |
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7. |
A circle passes through the points A(2, 0), B(4, 2), C(6, 0), and
D(4, -2). Figure ABCD inside the circle is a square. Find the length of a side of the square to the nearest tenth. |
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A. |
2 units |
B. |
4.2 units |
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C. |
2.8 units |
D. |
5.7 units |
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Hint |
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8. |
To get to his friend Traci's house, Kevin walks 6 blocks east and 5 blocks south. How far must Kevin walk if he chose to go on a diagonal line to Traci's house? |
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A. |
about 7.8 blocks |
B. |
about 3.3 blocks |
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C. |
about 11 blocks |
D. |
about 4.7 blocks |
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Hint |
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9. |
On a clear day, the distance in miles that you can see to the horizon is about 1.23 ×  , where h represents the height of your eyes above the ground in feet. Estimate the distance you can see if your eyes are 98 feet above ground. |
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A. |
12 miles |
B. |
10 miles |
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C. |
13 miles |
D. |
11 miles |
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Hint |
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10. |
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. |
17.3 feet |
B. |
13 feet |
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C. |
18.7 feet |
D. |
16.8 feet |
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Hint |
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11. |
The numbers 5, 12, and 13 form a Pythagorean triple. Which of the following is not a Pythagorean triple. |
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A. |
10, 24, 26 |
B. |
15, 22, 23 |
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C. |
15, 36, 39 |
D. |
20, 48, 52 |
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Hint |
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12. |
A unit on the grid of the map of Memorial Park is 0.06 mile. Find the distance between the old oak tree at (-4, 1) and the ranger station at (4, -3). |
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A. |
5.4 miles |
B. |
9.94 mile |
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C. |
0.99 mile |
D. |
0.54 mile |
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Hint |
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