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1. |
Simplify i17. |
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A. |
1 |
B. |
-i |
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C. |
i |
D. |
-1 |
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Hint |
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2. |
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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3. |
If h(z) = 2z2 - 5z + 7, find h(3c). |
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A. |
18c2 - 15c + 7 |
B. |
9c2 - 15c + 7 |
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C. |
18c2 - 3c + 7 |
D. |
c + 7 |
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Hint |
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4. |
Solve x2 - 6x = 0 by graphing or by factoring. |
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A. |
-6, 0 |
B. |
0 |
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C. |
-6 |
D. |
0, 6 |
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Hint |
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5. |
Solve x2 + 3x - 10 = 0 by completing the square. |
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A. |
5 |
B. |
2 |
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C. |
-5, 2 |
D. |
2, 5 |
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Hint |
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6. |
Find the vertex of the graph of the function f(x) = x2 - 6x + 5. |
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A. |
(3, -4) |
B. |
(-6, 5) |
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C. |
(3, 4) |
D. |
(-3, 4) |
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Hint |
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7. |
Solve x2 + 2x - 15 > 0. |
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A. |
{x | x < -3 or x > 5} |
B. |
{x | -5 < x < 3} |
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C. |
-3, 5 |
D. |
{x | x < -5 or x > 3} |
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Hint |
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8. |
Solve 2m2 - 3m -2 0. |
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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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9. |
Factor 2x2 + 4x – 3. |
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A. |
(2x – 1)(x + 3) |
B. |
(2x + 3)(x – 1) |
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C. |
(2x – 3)(x + 1) |
D. |
prime |
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Hint |
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10. |
In the equation y = x2 – 5, what is the axis of symmetry, and what is the minimum? |
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A. |
x = 0, min = –5 |
B. |
x = 0, min =  |
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C. |
x = , min = 0 |
D. |
x = –5, min = 0 |
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Hint |
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11. |
Which of the following graphs best represents the function y = –x2 + 7x + 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. |
Solve by graphing. |
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A. |
x = –2 |
B. |
x = 2 |
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C. |
x = 0 |
D. |
no real roots |
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Hint |
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13. |
A quadratic function has two real roots. How many times does the graph cross the x-axis? |
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A. |
1 |
B. |
cannot be determined from given information. |
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C. |
2 |
D. |
0 |
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Hint |
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14. |
Solve x2 + 2x+ 3 = 0 by completing the square. |
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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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15. |
Solve x2 + 14x + 49 = 0 by using the quadratic formula. |
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A. |
–7 |
B. |
7 |
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C. |
–6, –8 |
D. |
6, 8 |
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Hint |
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16. |
If a perfect square is equal to a constant, what is the best method to solve the quadratic equation? |
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A. |
Factoring |
B. |
Completing the Square |
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C. |
Square Root Property |
D. |
Quadratic Formula |
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Hint |
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17. |
Which of the following functions will have the widest graph? |
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A. |
y = x2 + x – 3 |
B. |
y = x2 +3x + 1 |
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C. |
y = 3x2 – 8 |
D. |
y = –2x2 + 5x – 1 |
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Hint |
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18. |
Factor  |
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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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