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1. |
Solve the system of inequalities by graphing. 
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A. |
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B. |
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C. |
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D. |
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Hint |
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2. |
Solve  |
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A. |
5 |
B. |
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C. |
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D. |
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Hint |
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3. |
Simplify -8i · 6i. |
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A. |
48 |
B. |
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C. |
-48 |
D. |
48-1 |
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Hint |
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4. |
Choose the line whose slope is undefined. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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5. |
Solve x2 + 7x + 8 = 0. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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6. |
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. |
4.8 s |
B. |
3.2 s |
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C. |
-0.1 s |
D. |
0.1 s |
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Hint |
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7. |
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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8. |
Solve  |
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A. |
-3 < y < 0 or y > 1 |
B. |
-3 < y < 1 |
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C. |
y < -3 or 0 < y < 1 |
D. |
y < -3 |
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Hint |
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9. |
Solve n[P(7, 5)] = P(8, 6) for n. |
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A. |
16 |
B. |
12 |
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C. |
4 |
D. |
8 |
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Hint |
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10. |
What is the slope of the line with equation  |
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A. |
-7 |
B. |
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C. |
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D. |
7 |
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Hint |
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11. |
Which of the following functions will have the widest graph? |
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A. |
y =  x2 + x – 3 |
B. |
y =  x2 +3x + 1 |
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C. |
y = –2x2 + 5x – 1 |
D. |
y = 3x2 – 8 |
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Hint |
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12. |
Which of the following is a zero of the polynomial  |
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A. |
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B. |
6 |
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C. |
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D. |
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Hint |
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13. |
Which of the following is an inverse of f(x) = 3x - 4? |
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A. |
3x + 4 |
B. |
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C. |
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D. |
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Hint |
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14. |
Write the equation  in standard form. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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15. |
Simplify  . |
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A. |
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B. |
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C. |
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D. |
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Hint |
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16. |
The graph of  has a hole at which point? |
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A. |
(4, 8) |
B. |
(-4, 8) |
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C. |
(4, -8) |
D. |
(-4, -8) |
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Hint |
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17. |
Alphonse went to the supermarket. He needs one vegetable and one type of beverage for the week. The supermarket has celery, broccoli, carrots, cucumbers, and peas. They also have pop, milk, orange juice and bottled water. How many different ways can Alphonse make his selection? |
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A. |
16 |
B. |
10 |
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C. |
20 |
D. |
9 |
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Hint |
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18. |
Which measure of central tendency should be used to represent the set of data {45, 78, 79, 80, 82, 82, 83, 99}? |
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A. |
median |
B. |
mean |
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C. |
mode |
D. |
standard deviation |
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Hint |
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19. |
Suppose a family has 9 children. What is the probability that they have at least 5 boys? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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20. |
In a recent survey, 56% of the people agreed with choice A. With probability 0.95, what is the minimum percentage of people in the population who agree with choice A, if the margin of error is 8 %? |
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A. |
51% |
B. |
52% |
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C. |
48% |
D. |
43% |
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Hint |
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