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1. |
Find the coordinates of the midpoint of the segment with endpoints at (3, -5) and (6, 7). |
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A. |
 |
B. |
 |
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C. |
(4, 1) |
D. |
(9, 2) |
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Hint |
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2. |
Find the coordinates of the midpoint of the segment whose endpoints have coordinates (-2, 4) and (3, -1). |
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A. |
 |
B. |
 |
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C. |
(-5, 5) |
D. |
(1, 3) |
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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. |
3 |
B. |
x2 |
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C. |
3x2 + 6x - 4 |
D. |
3x2 |
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Hint |
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4. |
Find the axis of symmetry of the graph of g(x) = x2 - 5x + 2. |
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A. |
x = -5 |
B. |
 |
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C. |
x = 2 |
D. |
 |
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Hint |
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5. |
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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6. |
Which value of c makes the trinomial x2 + 16x + c a perfect square? |
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A. |
32 |
B. |
128 |
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C. |
64 |
D. |
256 |
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Hint |
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7. |
Solve x2 - 4x + 1 = 0 by completing the square. |
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A. |
1 |
B. |
2 |
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C. |
 |
D. |
 |
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Hint |
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8. |
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. |
3.2 s |
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C. |
4.8 s |
D. |
0.1 s |
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Hint |
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9. |
Find the axis of symmetry of the graph of f(x) = 4x2 -4x + 4. |
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A. |
x =  |
B. |
x = 2 |
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C. |
x = 4 |
D. |
y = 3 |
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Hint |
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10. |
Find the equation of the axis of symmetry of the graph of y = 2x2 - 8x + 5. |
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A. |
x = -2 |
B. |
x = 4 |
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C. |
x = -4 |
D. |
x = 2 |
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Hint |
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11. |
Use the quadratic formula to solve 2x2 + 7x + 4 = 0. Approximate the solutions to the nearest hundredth. |
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A. |
1.28, 3.66 |
B. |
-5.56, -1.44 |
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C. |
-2.78, -0.72 |
D. |
-3.35, -0.15 |
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Hint |
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12. |
Solve 0 = x2 + 4x + 5 by graphing. |
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A. |
1, –5 |
B. |
2 |
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C. |
no real roots |
D. |
–1, 5 |
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Hint |
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13. |
A quadratic function has two real roots. How many times does the graph cross the x-axis? |
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A. |
0 |
B. |
2 |
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C. |
1 |
D. |
cannot be determined from given information. |
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Hint |
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14. |
In the equation y = x2 - 5, what is the axis of symmetry? |
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A. |
x = 1 |
B. |
x = -1 |
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C. |
x = -2 |
D. |
x = 0 |
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Hint |
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