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1. |
Which is the quadratic term in the function f(x) = 3x2 + 6x - 4? |
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A. |
3x2 + 6x - 4 |
B. |
x2 |
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C. |
3 |
D. |
3x2 |
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Hint |
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2. |
Use the graph to determine the solution of -x2 + 6x - 9 = 0. |
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A. |
4 |
B. |
-9 |
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C. |
3 |
D. |
2 |
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Hint |
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3. |
Solve the equation w2 - 4w = 12 by graphing. |
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A. |
1, 4 |
B. |
0, -3 |
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C. |
-2, 6 |
D. |
6 |
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Hint |
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4. |
Solve x2 - 4x - 5 = 0 by factoring. |
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A. |
-1, -5 |
B. |
1, -5 |
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C. |
-1, 5 |
D. |
1, 5 |
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Hint |
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5. |
Solve 4x2 - 8x + 3 = 0 by completing the square. |
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A. |
, 3 |
B. |
1, 3 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Solve x2 - 4x + 1 = 0 by completing the square. |
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A. |
 |
B. |
2 |
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C. |
 |
D. |
1 |
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Hint |
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7. |
Find a quadratic equation that has roots 6 + 2i and 6 - 2i. |
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A. |
x2 - 12x - 40 = 0 |
B. |
x2 +12x - 40 = 0 |
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C. |
x2 - 12x + 40 = 0 |
D. |
x2 + 12x + 40 = 0 |
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Hint |
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8. |
Stan the Hot Dog Man sells 100 hot dogs per day for $2 each, so his daily revenue is $200. He estimates that for every 25 cents he increases the price of a hot dog, he will sell 5 fewer. What range of prices can he charge so that his daily revenue is at least $225? |
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A. |
$3.00-$4.50 |
B. |
$2.00-$4.00 |
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C. |
$2.25-$2.50 |
D. |
$2.50-$4.50 |
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Hint |
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9. |
If the vertex of a parabola is (3, -4), what is its axis of symmetry? |
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A. |
y = -4 |
B. |
x = -4 |
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C. |
y = 3 |
D. |
x = 3 |
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Hint |
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10. |
If a perfect square is equal to a constant, what is the best method to solve the quadratic equation? |
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A. |
Completing the Square |
B. |
Factoring |
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C. |
Quadratic Formula |
D. |
Square Root Property |
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Hint |
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11. |
Solve by using the quadratic formula. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
Which of the following functions will have the widest graph? |
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A. |
y = x2 + x 3 |
B. |
y = 3x2 8 |
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C. |
y = 2x2 + 5x 1 |
D. |
y = x2 +3x + 1 |
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Hint |
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13. |
What is the equation of the parabola whose vertex is at (-3, 1) and passes through the point (-2, 4)? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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14. |
Solve x2 + 7x < 12 algebraically. |
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A. |
{x| 3 < x < 4} |
B. |
{x| 4 < x < 3} |
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C. |
{x| 4 < x < 3} |
D. |
{x| 3 < x < 4} |
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Hint |
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