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1. |
Which is the quadratic term in the function f(x) = 3x2 + 6x - 4? |
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A. |
x2 |
B. |
3 |
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C. |
3x2 + 6x - 4 |
D. |
3x2 |
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Hint |
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2. |
Use the graph to determine the solution(s) of x2 - x - 6 = 0. |
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A. |
-3, 2 |
B. |
-2 |
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C. |
-2, 3 |
D. |
-6 |
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Hint |
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3. |
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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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 - 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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6. |
Solve x2 - 6x + 10 = 0 by completing the square. |
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A. |
2, 4 |
B. |
3 ± i |
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C. |
1 ± i |
D. |
-3 ± i |
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Hint |
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7. |
Solve x2 - 6x + 25 = 0. |
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A. |
6 ± 8i |
B. |
 |
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C. |
-3 ± 4i |
D. |
3 ± 4i |
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Hint |
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8. |
If a = 2 and the vertex is (3, -4), will there be a minimum or maximum value for the parabola? What is the value? |
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A. |
maximum, 3 |
B. |
maximum, 4 |
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C. |
minimum, 4 |
D. |
maximum, 3 |
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Hint |
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9. |
Solve by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located. |
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A. |
between 0 and 1, and 1 and 2 |
B. |
between 0 and 1, and 2 and 3 |
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C. |
1, 2 |
D. |
between 1 and 0, and 1 and 2 |
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Hint |
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10. |
Solve x2 + 14x + 49 = 0 by using the quadratic formula. |
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A. |
6, 16 |
B. |
3, 8 |
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C. |
7, 18 |
D. |
3, 8 |
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Hint |
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11. |
If the graph of y = x2 is shifted 4 units to the right, and 2 units down, what is the equation of the new graph? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
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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13. |
Solve by graphing. |
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A. |
{x| 1.12 < x < 0} |
B. |
{x| 1.12 < x < 3.12} |
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C. |
{x| 0 < x < 3} |
D. |
{x| 0 < x < 3.12} |
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Hint |
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14. |
When is it true that x2 + x > 2? |
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A. |
 |
B. |
 |
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C. |
all real numbers |
D. |
 |
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Hint |
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