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1. |
Determine the distance between points at
 and  |
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A. |
9 units |
B. |
 units |
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C. |
 units |
D. |
 units |
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Hint |
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2. |
What is the distance between points with coordinates (1.32, 0.27) and (1.07, -0.33). |
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A. |
1.02 units |
B. |
0.65 unit |
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C. |
0.39 unit |
D. |
0.81 unit |
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Hint |
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3. |
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. |
3x2 |
D. |
3 |
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Hint |
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4. |
Use the graph to determine the solution of -x2 + 6x - 9 = 0. |
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A. |
3 |
B. |
2 |
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C. |
-9 |
D. |
4 |
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Hint |
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5. |
Use the graph to determine the solution(s) of
x2 - x - 6 = 0. |
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A. |
-2 |
B. |
-3, 2 |
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C. |
-2, 3 |
D. |
-6 |
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Hint |
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6. |
Find the vertex of the graph of f(x) = x2 + 4x - 5. |
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A. |
(-2, -9) |
B. |
(-2, 9) |
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C. |
(2, 7) |
D. |
(0, -5) |
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Hint |
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7. |
Suppose a ball is thrown straight up at a speed of 50 feet per second. The time in seconds that it takes for the ball to hit the ground can be found by solving the equation 5 + 50t - 16t2 = 0. Approximately how long does it take for the ball to hit the ground? |
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A. |
0.1 s |
B. |
4.8 s |
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C. |
-0.1 s |
D. |
3.2 s |
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Hint |
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8. |
Use the quadratic formula to solve x2 + 4x + 5 = 0. |
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A. |
-1 |
B. |
 |
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C. |
5 |
D. |
-1, -4 |
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Hint |
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9. |
Suppose the equation of the axis of symmetry is x = 2. What is the y-coordinate of the vertex? |
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A. |
4 |
B. |
2 |
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C. |
cannot be determined from given information |
D. |
-2 |
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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 –2 and–1, and between 3 and 4 |
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B. |
between –1 and 0, and between 3 and 4 |
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C. |
between –1 and 0, and between 4 and 5 |
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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. |
square b, then find one half of the result, and add to original. |
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C. |
square b and add to original |
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D. |
find one fourth of b and add to original |
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Hint |
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12. |
Solve 2x2 - 7x + 5 = 0 by completing the square. |
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A. |
4, 10 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
Find the axis of symmetry of the following function:  |
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A. |
x =  |
B. |
x = –7 |
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C. |
x =  |
D. |
x = 7 |
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Hint |
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14. |
Find the coordinates of the vertex for the equation y = -x2 + 4x - 1. |
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A. |
(-2, 3) |
B. |
(2, -3) |
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C. |
(-2, -3) |
D. |
(2, 3) |
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Hint |
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