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1. |
Determine the distance between points at
and  |
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A. |
units |
B. |
units |
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C. |
9 units |
D. |
units |
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Hint |
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2. |
Find the axis of symmetry of the graph of g(x) = x2 - 5x + 2. |
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A. |
 |
B. |
x = -5 |
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C. |
x = 2 |
D. |
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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. |
0 |
B. |
0, 6 |
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C. |
-6, 0 |
D. |
-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, 5 |
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C. |
-5, 2 |
D. |
2 |
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Hint |
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6. |
What is the equation of the graph shown? |
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A. |
f(x) = 2x2 + 2x + 1 |
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B. |
f(x) = -2x2 + 2x + 1 |
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C. |
f(x) = 2x2 - 2x + 1 |
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D. |
f(x) = -2x2 + 2x - 1 |
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Hint |
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7. |
Use the quadratic formula to solve 6x2 - x - 1 = 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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8. |
Use the quadratic formula to solve 2x2 + 7x + 4 = 0. Approximate the solutions to the nearest hundredth. |
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A. |
-3.35, -0.15 |
B. |
1.28, 3.66 |
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C. |
-2.78, -0.72 |
D. |
-5.56, -1.44 |
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Hint |
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9. |
A quadratic function has two real roots. How many times does the graph cross the x-axis? |
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A. |
1 |
B. |
2 |
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C. |
cannot be determined from given information. |
D. |
0 |
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Hint |
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10. |
Solve -x2 + 3x + 5 = 0 by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located. |
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A. |
between 1 and 0, and between 3 and 4 |
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B. |
between 1 and 0, and between 4 and 5 |
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C. |
between 2 and1, and between 3 and 4 |
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D. |
between 2 and -1, and between 4 and 5 |
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Hint |
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11. |
What must be done to the quadratic expression ax2 + bx in order to complete the square? |
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A. |
find one half of b, square this result, and add to original |
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B. |
find one fourth of b and add to original |
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C. |
square b, then find one half of the result, and add to original. |
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D. |
square b and add to original |
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Hint |
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12. |
Which point is the closest to (-2, 1)? |
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A. |
(-4, -1) |
B. |
(-5, 2) |
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C. |
(-2, 5) |
D. |
(-1, 4) |
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Hint |
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13. |
Write the equation of the axis of symmetry for y = -3x2 - 6x + 4. |
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A. |
x = -1 |
B. |
x = -2 |
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C. |
x = 1 |
D. |
x = 0 |
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Hint |
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14. |
Find the coordinates of the vertex for the equation y = -3x2 - 6x + 4. |
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A. |
(-1, 7) |
B. |
(0, 4) |
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C. |
(1, -5) |
D. |
(-1, -7) |
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Hint |
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