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1. |
Solve  |
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|
A. |
7 |
B. |
-49 |
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|
C. |
49 |
D. |
14 |
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Hint |
|
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2. |
Choose the line whose slope is undefined. |
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|
A. |
 |
B. |
 |
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|
C. |
 |
D. |
 |
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Hint |
|
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3. |
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. |
128 |
D. |
32 |
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Hint |
|
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4. |
The machine that fills gallon milk jugs at a dairy dispenses the milk in amounts that are normally distributed with a standard deviation of 0.002 gallon. What percent of the jugs will get between 0.998 and 1.002 gallons of milk? |
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|
A. |
68% |
B. |
95% |
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|
C. |
99% |
D. |
100% |
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Hint |
|
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5. |
If y varies directly as x and y = 2 when x = 4, find x when y = 4. |
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|
A. |
8 |
B. |
4 |
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|
C. |
2 |
D. |
16 |
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Hint |
|
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6. |
Determine the 10th term of the sequence –17, -13, -9, . . . |
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|
A. |
19 |
B. |
36 |
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|
C. |
-53 |
D. |
53 |
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Hint |
|
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7. |
Find  |
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|
A. |
1,320,000 |
B. |
665,280 |
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|
C. |
720,000 |
D. |
332,640 |
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|
Hint |
|
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8. |
Find the coordinates of the vertices of the figure formed by  |
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|
A. |
(–4, 0), (5, 4), (5, 2) |
B. |
(–4, 0), (3, 4), (5, 2) |
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|
C. |
(–3, 0), (5, 4 ), (5, 2) |
D. |
(–3, 0), (3, 4), (5, 2) |
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|
Hint |
|
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9. |
Find the value of the determinant of  |
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|
A. |
6 |
B. |
–32 |
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|
C. |
64 |
D. |
2 |
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Hint |
|
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10. |
Suppose a matrix equation of a system of equations does not have a unique solution. What cannot be true? |
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|
A. |
 |
B. |
ad – bc ? 0 |
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|
C. |
 |
D. |
 is undefined |
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Hint |
|
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11. |
Solve  by using the quadratic formula. |
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|
A. |
 |
B. |
 |
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|
C. |
 |
D. |
 |
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|
Hint |
|
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12. |
Solve  by graphing. |
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|
A. |
{x| –1.12 < x < 3.12} |
B. |
{x| 0 < x < 3.12} |
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|
C. |
{x| 0 < x < 3} |
D. |
{x| –1.12 < x < 0} |
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Hint |
|
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13. |
Graph  . Then estimate the coordinates at which the relative maxima and relative minima occur. |
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|
A. |
minimum: –3,maximum: 1 |
B. |
minimum: 1,maximum: –5 |
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|
C. |
minimum: –5,maximum: 1 |
D. |
minimum: 1, maximum: –3 |
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|
Hint |
|
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14. |
Which expression cannot be written in quadratic form? |
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|
A. |
 |
B. |
 |
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|
C. |
 |
D. |
 |
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Hint |
|
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15. |
If a binomial x – a divides a polynomial, what must be true in order for it to be a factor of the polynomial? |
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|
A. |
It must divide the polynomial in half. |
B. |
There cannot be any other factor x – a. |
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|
C. |
The remainder must be 0. |
D. |
The polynomial must be at least of degree three. |
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Hint |
|
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16. |
How many possible positive real zeros are there for the polynomial  ? |
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|
A. |
3 |
B. |
5 |
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|
C. |
2 |
D. |
1 |
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|
Hint |
|
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17. |
Which of the following points will not be included in the graph of  ? |
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|
A. |
(2, 4) |
B. |
(-2, 4) |
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|
C. |
(4, 6) |
D. |
(3, 9) |
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Hint |
|
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18. |
The amount of work done by James and his relative distance to Samuel is inversely related. When James is 6 feet away from Samuel, he can get 13 assignments done per hour. How many assignments can James get done when he is 52 feet away from Samuel? |
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|
A. |
112.7 assignments |
B. |
1.5 assignments |
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|
C. |
59 assignments |
D. |
24 assignments |
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Hint |
|
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19. |
Suppose that the wealth of a business owner is increasing exponentially. In 1993, he had $40 million. In 2001, he had $55 million. How much money will he have in 2010? |
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A. |
$28.0 million |
B. |
$20.3 million |
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|
C. |
$57.2 million |
D. |
$78.7 million |
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Hint |
|
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20. |
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. |
9 |
B. |
20 |
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|
C. |
10 |
D. |
16 |
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Hint |
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|