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1. |
Estimate  to the nearest whole number. |
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A. |
4 |
B. |
5 |
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C. |
6 |
D. |
7 |
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Hint |
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2. |
Write a Pythagorean triple other than 3-4-5 that is in the 3-4-5 family. |
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A. |
6-8-9 |
B. |
9-12-15 |
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C. |
10-24-26 |
D. |
5-12-13 |
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Hint |
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3. |
Find the distance between the pair of points whose coordinates are given. Round to the nearest tenth. |
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A. |
5.8 |
B. |
6.7 |
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C. |
1.7 |
D. |
2.4 |
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Hint |
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4. |
The coordinates of points R and S are (4, 7) and (-1, 2), respectively. What is the distance between the points to the nearest tenth? |
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A. |
5 units |
B. |
4.7 units |
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C. |
5.8 units |
D. |
7.1 units |
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Hint |
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5. |
The number 126 is __________. |
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A. |
an integer |
B. |
an integer and a rational number |
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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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6. |
Solve x2 = 256. |
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A. |
x =  128 |
B. |
x = 16 |
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C. |
x = 65,536 |
D. |
x = 64 |
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Hint |
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7. |
A square has an area of 1.21 cm2. What is the length of each side of the square? |
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A. |
1.05 cm |
B. |
1.4641 cm |
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C. |
0.605 cm |
D. |
1.1 cm |
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Hint |
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8. |
The triangle shown is a right triangle. Solve for b. |
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A. |
b = 28 units |
B. |
b = 14 units |
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C. |
b = 15.2 units |
D. |
b = 3.7 units |
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Hint |
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9. |
In a right triangle, a = 14.2 cm and b = 13.9 cm. Find c. Round to the nearest tenth. |
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A. |
c = 2.9 cm |
B. |
c = 14.1 cm |
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C. |
c = 0.3 cm |
D. |
c = 19.9 cm |
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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 7 feet |
B. |
about 8.1 feet |
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C. |
about 9.8 feet |
D. |
about 5 feet |
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Hint |
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11. |
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. |
10 miles |
B. |
13 miles |
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C. |
11 miles |
D. |
12 miles |
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Hint |
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12. |
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. |
10 mph |
B. |
7 mph |
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C. |
12 mph |
D. |
5 mph |
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Hint |
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