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1. |
and are similar. Find a if x = 7, y = 1, and  |
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A. |
1 |
B. |
 |
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C. |
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D. |
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Hint |
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2. |
Find the measure of in the triangle below to the nearest hundredth. |
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A. |
6.71° |
B. |
74.05° |
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C. |
1.29° |
D. |
70° |
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Hint |
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3. |
In a right triangle, the length c of the hypotenuse is 14 and the length b of one of the legs is 8. Find the length a of the other leg to the nearest hundredth. |
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A. |
11.49 |
B. |
21.23 |
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C. |
19.88 |
D. |
16.12 |
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Hint |
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4. |
Which of the following side measures would form a right triangle? |
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A. |
7, 9, 12 |
B. |
8, 11, 19 |
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C. |
18, 20, 27 |
D. |
10, 24, 26 |
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Hint |
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5. |
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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Hint |
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6. |
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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Hint |
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7. |
Simplify . |
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A. |
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B. |
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C. |
The expression is in simplest form |
D. |
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Hint |
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8. |
Solve . |
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A. |
-1 |
B. |
-1, 3 |
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C. |
1, 3 |
D. |
3 |
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Hint |
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9. |
The distance between the points with coordinates (-8, 4) and (1, a) is 15 units. Find the value of a. |
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A. |
-8 |
B. |
8 or 16 |
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C. |
-8 or 16 |
D. |
8 |
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Hint |
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10. |
Which are the vertices of an isosceles triangle? |
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A. |
G(5, 1), H(-4, 3), I(2, 6) |
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B. |
D(2, -6), E(1, -5), F(8, 0) |
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C. |
J(0, 4), K(-3, -4), L(1, -5) |
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D. |
A(6, 3), B(-2, 4), C(2, 11) |
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Hint |
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11. |
Find the result of |
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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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12. |
Solve . |
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A. |
{1, –1} |
B. |
–1 |
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C. |
1 |
D. |
no solution |
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Hint |
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13. |
What is the value of x in the picture? |
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A. |
6 |
B. |
10.3 |
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C. |
13.5 |
D. |
4 |
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Hint |
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14. |
In the figure, what is the value of y? |
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A. |
9.8 |
B. |
33.5 |
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C. |
13.9 |
D. |
11.9 |
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Hint |
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