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1. |
Determine the distance between points at
and  |
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A. |
units |
B. |
9 units |
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C. |
units |
D. |
units |
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Hint |
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2. |
Find the value of a so that the distance between points with coordinates (2, 5) and (-6, a) is 10 units. |
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A. |
11 only |
B. |
1 only |
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C. |
or 11 |
D. |
1 or 11 |
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Hint |
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3. |
Solve the equation w2 - 4w = 12 by graphing. |
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A. |
-2, 6 |
B. |
6 |
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C. |
1, 4 |
D. |
0, -3 |
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Hint |
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4. |
Solve y2 + 8y + 16 = 0 by factoring. |
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A. |
-4, 4 |
B. |
-4 |
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C. |
4 |
D. |
4, 8 |
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Hint |
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5. |
Solve x2 + 3x - 10 = 0 by completing the square. |
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A. |
2, 5 |
B. |
-5, 2 |
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C. |
2 |
D. |
5 |
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Hint |
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6. |
What is the equation of the graph shown? |
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 |
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A. |
y = x2 + 2x + 1 |
B. |
y = -x2 +2x - 1 |
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C. |
y = -x2 - 2x - 1 |
D. |
y = x2 - 2x + 1 |
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Hint |
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7. |
Use the quadratic formula to solve 2x2 + 7x + 4 = 0. Approximate the solutions to the nearest hundredth. |
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A. |
-5.56, -1.44 |
B. |
-2.78, -0.72 |
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C. |
1.28, 3.66 |
D. |
-3.35, -0.15 |
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Hint |
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8. |
What is the y-intercept of the function y = 2x2 + 1 |
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A. |
0 |
B. |
none |
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C. |
3 |
D. |
1 |
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Hint |
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9. |
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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10. |
Solve x2 + 14x + 49 = 0 by using the quadratic formula. |
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A. |
–6, –8 |
B. |
6, 8 |
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|
C. |
7 |
D. |
–7 |
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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. |
 |
D. |
 |
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Hint |
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12. |
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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13. |
Write the equation of the axis of symmetry for y = -3x2 - 6x + 4. |
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A. |
x = -1 |
B. |
x = 0 |
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C. |
x = 1 |
D. |
x = -2 |
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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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