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1. |
Which triangle is similar to  |
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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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2. |
A tree that is 5 feet tall casts a shadow 2 feet long. A nearby building casts a shadow that is 20 feet long. How tall is the building? |
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A. |
0.5 ft |
B. |
10 ft |
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C. |
50 ft |
D. |
20 ft |
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3. |
Find sin X. |
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A. |
0.6 |
B. |
8 |
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C. |
0.75 |
D. |
0.8 |
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4. |
Which of the following side measures would form a right triangle? |
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A. |
10, 24, 26 |
B. |
18, 20, 27 |
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C. |
8, 11, 19 |
D. |
7, 9, 12 |
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5. |
Which side measures do not form a right triangle? |
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A. |
5, 12, 13 |
B. |
10, 12, 15 |
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C. |
9, 40, 41 |
D. |
3, 4, 5 |
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6. |
Simplify  |
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A. |
72 |
B. |
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C. |
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D. |
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7. |
Simplify . |
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A. |
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B. |
The expression is in simplest form. |
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C. |
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D. |
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8. |
Simplify . |
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A. |
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B. |
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C. |
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D. |
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9. |
What is the area of a square whose sides measure meters? |
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A. |
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B. |
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C. |
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D. |
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10. |
Solve . |
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A. |
{1, –1} |
B. |
1 |
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C. |
–1 |
D. |
no solution |
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11. |
Suppose the formula represents the relationship between a plane's length L and the pounds P its wings can lift, where k is a constant of proportionality calculated for a plane. If its wings are 150 feet and k = 0.1669, what range of values are possible for weight? |
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A. |
less than 134,811 pounds |
B. |
greater than 3755 pounds |
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C. |
greater than 134,811 pounds |
D. |
less than 3755 pounds |
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Hint |
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12. |
Tamotsu and Ryan each go to the same school. Tamotsu lives 5 miles north and 3 miles west of the school. Ryan lives 7 miles south and 4 miles east of the school. How far apart do they live? |
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A. |
2.24 miles |
B. |
12.04 miles |
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C. |
13.9 miles |
D. |
7.28 miles |
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Hint |
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13. |
Greta and her grandmother planned to attend a downtown play. Greta lives 10 miles south and 4 miles west of downtown, while her grandmother lives 2 miles south and 2 miles east of downtown. If Greta picks up her grandmother on the way (rather than meet her at the play), how many miles does that add to her trip? |
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A. |
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B. |
2 |
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C. |
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D. |
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14. |
Using the figure, which expression is equal to cos 38°? |
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A. |
sin 38° |
B. |
tan 38° |
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C. |
tan 52° |
D. |
sin 52° |
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Hint |
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