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1. |
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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2. |
Mrs. Jones is creating several cubicle work spaces for her consulting business. One square workspace needs to have a floor area of 961 square feet. Find the length of each side for the cubicle. |
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A. |
32 feet |
B. |
-31 feet |
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C. |
31 feet |
D. |
-32 feet |
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Hint |
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3. |
The distance you can see to the horizon can be estimated by using the formula  . In the formula, d represents the distance you can see in miles, and h represents the height your eyes are from the ground in feet. Suppose when you are standing on the ground your eyes are about 4.1 feet above ground level. About how far can you see to the horizon? |
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A. |
2.47 miles |
B. |
1.22 miles |
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C. |
9.76 miles |
D. |
4.88 miles |
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Hint |
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4. |
Write a Pythagorean triple other than 3-4-5 that is in the 3-4-5 family. |
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A. |
9-12-15 |
B. |
10-24-26 |
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C. |
5-12-13 |
D. |
6-8-9 |
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Hint |
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5. |
A rectangular state flag has dimensions 7 feet by  feet. How long is its diagonal? |
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A. |
about 4.3 feet |
B. |
about 6.6 feet |
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C. |
about 3.5 feet |
D. |
about 8.9 feet |
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Hint |
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6. |
A triangle on the coordinate plane has vertices A(0, 0), B(0, 5), and
C(7, 0). Determine the perimeter of the triangle to the nearest tenth. |
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A. |
15.6 units |
B. |
13.6 units |
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C. |
20.6 units |
D. |
8.6 units |
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Hint |
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7. |
Estimate  . |
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A. |
26 |
B. |
24 |
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C. |
27 |
D. |
25 |
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Hint |
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8. |
Determine whether  is rational or irrational. |
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A. |
Irrational |
B. |
Both |
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C. |
Neither |
D. |
Rational |
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Hint |
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9. |
A triangle has sides 5 inches, 7 inches, and 10 inches. Is this a right triangle? Why? |
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A. |
No, because 5 + 7  10. |
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B. |
No, because 52 + 72 102. |
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C. |
Yes, because 52 + 72 = 102. |
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D. |
Yes, because 5 + 7 > 10. |
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Hint |
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10. |
Find the perimeter of a triangle whose vertices on the coordinate plane are (4, 3), (9, 3), and (9, -5). |
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A. |
17.3 units |
B. |
9.4 units |
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C. |
22.4 units |
D. |
19.2 units |
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Hint |
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11. |
The speed of a car before breaking can be estimated using the expression 5.5 , where d represents the length of the skid marks in feet. This expression gives the speed in miles per hour. If a red car left a skid mark of 80 feet and a blue car left a skid mark of 110 feet, estimate how much faster the blue car was traveling than the red car. |
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A. |
12 mph |
B. |
5 mph |
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C. |
7 mph |
D. |
10 mph |
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Hint |
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12. |
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. |
18.7 feet |
B. |
16.8 feet |
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C. |
17.3 feet |
D. |
13 feet |
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Hint |
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