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1. |
What is the value of 9 - [12 + (15 ÷ 3)]? |
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A. |
26 |
B. |
-8 |
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C. |
2 |
D. |
0 |
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Hint |
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2. |
Solve 18 + a = 36. |
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A. |
-18 |
B. |
54 |
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C. |
18 |
D. |
-2 |
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Hint |
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3. |
What is the value of |-101|? |
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A. |
-101 |
B. |
101 |
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C. |
0 |
D. |
10.1 |
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Hint |
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4. |
Evaluate 1.5 + |2x - 4| if x = -3. |
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A. |
3.5 |
B. |
-0.5 |
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C. |
11.5 |
D. |
-11.5 |
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Hint |
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5. |
Determine which equation represents a function. |
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A. |
 |
B. |
x = 4 |
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C. |
y = -2x + 1 |
D. |
x = y2 - 1 |
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Hint |
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6. |
Use Cramer's rule to solve the system of equations. 

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A. |
(0.2, 0.4) |
B. |
(-0.4, -0.2) |
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C. |
(0.4, 0.2) |
D. |
(0.011, 0.0055) |
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Hint |
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7. |
 |
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A. |
[10 37] |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
What is the first step in solving the matrix equation
 |
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A. |
Multiply each side of the matrix equation by the identity matrix. |
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B. |
Divide each side of the matrix equation by  |
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C. |
Find the inverse of  |
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D. |
Multiply each side of the matrix equation by  |
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Hint |
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9. |
Solve 4x2 - 8x + 3 = 0 by completing the square. |
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A. |
 |
B. |
 |
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C. |
1, 3 |
D. |
, 3 |
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Hint |
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10. |
If y varies jointly as x and z and y = 12 when x = 2 and z = 3, find y when x = - 3 and z = 0.5. |
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A. |
-18 |
B. |
-3 |
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C. |
2 |
D. |
27 |
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Hint |
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11. |
Solve . |
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A. |
-3, 1 |
B. |
1 |
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C. |
-3, -1 |
D. |
0, 1 |
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Hint |
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12. |
Solve  |
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A. |
-3 < y < 0 or y > 1 |
B. |
-3 < y < 1 |
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C. |
y < -3 or 0 < y < 1 |
D. |
y < -3 |
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Hint |
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13. |
The formula for the perimeter of a rectangle is , where is the length of the rectangle and w is the width. If a rectangle is 17 ft long and 8 ft wide, what is its perimeter? |
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A. |
50 ft |
B. |
68 ft |
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C. |
25 ft |
D. |
42 ft |
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Hint |
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14. |
Which graph represents the following system:  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
At a firm, there are three workers that are supposed to work a combined 110 hours per week. Worker 1 is supposed to work 5 hours more than worker 2, and worker 2 is supposed to work 15 hours more than worker 3. How long should each one work? |
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A. |
worker 1: 42.5worker 2: 37.5worker 3: 30 |
B. |
worker 1: 40worker 2: 45worker 3: 25 |
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C. |
worker 1: 45worker 2: 40worker 3: 25 |
D. |
worker 1: 45worker 2: 35worker 3: 30 |
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Hint |
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16. |
Which of the following matrices is equal 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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17. |
A quadratic function has two real roots. How many times does the graph cross the x-axis? |
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A. |
cannot be determined from given information. |
B. |
0 |
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C. |
2 |
D. |
1 |
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Hint |
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18. |
Which of the following is a polynomial in one variable? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Find the inverse of f(x) = x – 3. |
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A. |
g(x) = 4x + 12 |
B. |
g (x) = 4x + 3 |
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C. |
g(x) = x + 12 |
D. |
g(x) = x + 3 |
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Hint |
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20. |
What is the major difference between hyperbolas and parabolas? |
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A. |
Hyperbolas have the potential to be wider than parabolas. |
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B. |
In parabolas, one of the squared terms has a coefficient that is = 0. |
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C. |
Hyperbolas are connected, while parabolas are not. |
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D. |
Parabolas are always a function of x, while hyperbolas are not a function of either. |
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Hint |
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