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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. |
(9, 2) |
B. |
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C. |
(4, 1) |
D. |
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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. |
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B. |
(1, 3) |
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C. |
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D. |
(-5, 5) |
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Hint |
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3. |
Use the graph to determine the solution of -x2 + 6x - 9 = 0. |
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A. |
4 |
B. |
3 |
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C. |
-9 |
D. |
2 |
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Hint |
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4. |
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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5. |
Which value of c makes the trinomial x2 + 16x + c a perfect square? |
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A. |
256 |
B. |
64 |
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C. |
32 |
D. |
128 |
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Hint |
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6. |
Solve x2 - 4x + 1 = 0 by completing the square. |
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A. |
 |
B. |
1 |
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C. |
2 |
D. |
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Hint |
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7. |
Which is the graph of the equation y = 2x2 - 1? |
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A. |
 |
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 6x2 - x - 1 = 0. |
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A. |
 |
B. |
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C. |
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D. |
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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. |
cannot be determined from given information. |
B. |
2 |
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C. |
1 |
D. |
0 |
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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, 8 |
B. |
–7 |
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C. |
7 |
D. |
–6, –8 |
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Hint |
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11. |
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. |
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D. |
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Hint |
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12. |
What is the name of the line that the vertex lies on and that divides a parabola in half? |
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A. |
line of equal halves |
B. |
parabolic bisector |
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C. |
axis of symmetry |
D. |
midpoint |
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Hint |
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13. |
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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14. |
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 = 0 |
D. |
x = 1 |
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Hint |
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