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1. |
Find the coordinates of the vertex of the graph of the equation y = -3x2 - 12x - 5. |
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A. |
(-4, -5) |
B. |
(2, -41) |
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C. |
(-2, 7) |
D. |
(1, -20) |
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Hint |
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2. |
Find the line of symmetry of the graph of f(x) = x2 – 4x + 5. |
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A. |
x = 1 |
B. |
x = –1 |
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C. |
x = –2 |
D. |
x = 2 |
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Hint |
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3. |
Find the x-intercepts of the graph of f(x) = x2 – 2x – 3. |
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A. |
1, –3 |
B. |
–1, 3 |
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C. |
1, –4 |
D. |
–1, 4 |
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Hint |
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4. |
Find the x-intercepts of the graph of f(x) = –x2 + 4x + 12. |
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A. |
2, 16 |
B. |
–2, –6 |
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C. |
–2, 6 |
D. |
–2, 16 |
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Hint |
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5. |
Approximate the solution to x3 – 4x – 1 = x + 4. |
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A. |
x = 5.2 |
B. |
x = 1.3 |
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C. |
x = 2.6 |
D. |
x = 0 |
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Hint |
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