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1. |
Use the graph to determine the solution(s) of x2 - x - 6 = 0. |
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A. |
-3, 2 |
B. |
-6 |
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C. |
-2 |
D. |
-2, 3 |
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Hint |
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2. |
Solve the equation w2 - 4w = 12 by graphing. |
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A. |
6 |
B. |
1, 4 |
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C. |
0, -3 |
D. |
-2, 6 |
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Hint |
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3. |
Solve the equation (x -2)(x + 2) = 0. |
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A. |
-2, 2 |
B. |
-2 |
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C. |
2, 0 |
D. |
2 |
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Hint |
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4. |
Solve m2 - 2m = 15 by factoring. |
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A. |
3 |
B. |
5 |
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C. |
-3, 5 |
D. |
-5, 3 |
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Hint |
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5. |
The roots of x2 + 4x + 7 are________. |
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A. |
real and imaginary |
B. |
real and rational |
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C. |
imaginary |
D. |
real and irrational |
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Hint |
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6. |
Find an equation for the parabola shown in the graph. |
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A. |
y = (x - 2)2 - 4 |
B. |
y = (x - 2)2 + 4 |
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C. |
y = (x + 2)2 - 4 |
D. |
y = (x + 2)2 - 4 |
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Hint |
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7. |
Determine whether f(x) = x2 3x + 4 has a maximum or a minimum. |
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A. |
minimum |
B. |
cannot be determined from given information |
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C. |
maximum |
D. |
both |
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Hint |
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8. |
Which of the following graphs best represents the function y = x2 + 7x + 8? |
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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. |
Solve x2 + 8x + 16 = 36 by using the Square Root Property. |
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A. |
-2 and 14 |
B. |
-4 |
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C. |
2 |
D. |
2 and 10 |
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Hint |
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10. |
Solve x2 - 2x + 1 = 18 by using the Square Root Property. |
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A. |
and |
B. |
-5 and 2 |
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C. |
and  |
D. |
5 and 2 |
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Hint |
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11. |
Solve x2 + 14x + 49 = 0 by using the quadratic formula. |
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A. |
6, 8 |
B. |
7 |
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C. |
6, 8 |
D. |
7 |
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Hint |
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12. |
Find the vertex of the graph of the function . |
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A. |
(1, 2) |
B. |
(1, 4) |
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C. |
(1, 4) |
D. |
(1, 2) |
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Hint |
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13. |
Solve by graphing. |
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A. |
{x| 1.12 < x < 0} |
B. |
{x| 1.12 < x < 3.12} |
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C. |
{x| 0 < x < 3} |
D. |
{x| 0 < x < 3.12} |
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Hint |
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14. |
When is it true that x2 + x > 2? |
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A. |
 |
B. |
 |
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C. |
all real numbers |
D. |
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Hint |
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