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1. |
Find the zero of the function f(x) = -8x + 4. |
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A. |
2 |
B. |
-2 |
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C. |
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D. |
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Hint |
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2. |
Which is the graph of g(x) = |6 - |2x||? |
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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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3. |
Solve the system of equations x = 4 and 3x - 4y = 12 by graphing. |
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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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4. |
If you use the parent graph y = as a reference, how would you graph y = - 3? |
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A. |
Move the parent graph to the right 3 units. |
B. |
Move the parent graph up 3 units. |
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C. |
Move the parent graph down 3 units. |
D. |
Move the parent graph to the left 3 units. |
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Hint |
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5. |
Graph y = 1 + . |
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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. |
Solve the equation 2x2 -x + 4 = 0 by any method. |
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A. |
i |
B. |
i |
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C. |
i |
D. |
1 i |
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Hint |
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7. |
Determine between which consecutive integers the real zeros of f(x) = x4 - 4x2 + x - 3 are located. |
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A. |
between -3 and -2 and between 2 and 3 |
B. |
between -3 and -2 and between 5 and 6 |
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C. |
between -2 and -1 and between 2 and 3 |
D. |
between -4 and -3 and between 3 and 4 |
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Hint |
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8. |
Solve > 0. |
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A. |
-1 < x < 0 or x > 1 |
B. |
-2 < x < 0 or x > 2 |
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C. |
-2 < x < 0 or x < 1 |
D. |
-1 < x < 0 or x > 2 |
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Hint |
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9. |
Identify all angles that are coterminal with angle 35°. |
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A. |
35° + 270k°, k is an integer |
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B. |
35° + 180k°, k is an integer |
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C. |
35° + 90k°, k is an integer |
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D. |
35° + 360k°, k is an integer |
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Hint |
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10. |
What is the distance between the lines with equations x + y - 5 = 0 and y = -x + 10? |
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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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11. |
Write the ordered triple that represents the vector from X(6, -4, 2) to Y(5, -6, 8). |
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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. |
Find the value of log2 235 using the change of base formula. |
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A. |
6.8218 |
B. |
7.8765 |
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C. |
6.4121 |
D. |
7.2314 |
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Hint |
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13. |
Find the direction of the resultant vector for the diagram. |
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A. |
71.6° |
B. |
18.4° |
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C. |
55° |
D. |
60° |
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Hint |
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14. |
State the vertical shift and the equation of the midline for the function y = 3 cos + 4. |
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A. |
3; y = 3 |
B. |
-4; y = -4 |
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C. |
4; y = 4 |
D. |
-3; y = -3 |
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Hint |
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15. |
Use the first three terms of the exponential series and a calculator to approximate the value of e1.85 to the nearest hundredth. |
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A. |
6.36 |
B. |
2.85 |
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C. |
5.62 |
D. |
4.56 |
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Hint |
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16. |
Find the value of the determinant . |
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A. |
-43 |
B. |
-3 |
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C. |
-29 |
D. |
-25 |
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Hint |
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17. |
Find the magnitude of the vector from the origin to point P(7, -5, 23). |
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A. |
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B. |
5 |
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C. |
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D. |
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Hint |
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18. |
Evaluate if and . |
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A. |
-39 |
B. |
44 |
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C. |
60 |
D. |
21 |
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Hint |
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19. |
Which equation could represent a lemniscate? |
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A. |
 |
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B. |
r = 4 sin 2 |
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C. |
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D. |
r = 4 cos 4 |
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Hint |
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20. |
Find the sum of the first seven terms of the geometric series Round to the nearest hundredth. |
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A. |
11.56 |
B. |
17.33 |
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C. |
18 |
D. |
3.24 |
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Hint |
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