| |
| |
1. |
Solve 7(2k + 4) - (3k + 1) = 49. |
| |
|
A. |
1.8 |
B. |
2 |
| |
|
C. |
1 |
D. |
4 |
| |
|
Hint |
|
| |
2. |
Solve  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
If f(x) = [2x - 1], find f(5.4). |
| |
|
A. |
10 |
B. |
9 |
| |
|
C. |
9.8 |
D. |
8 |
| |
|
Hint |
|
| |
4. |
Which is not a point at which a maximum or minimum value of a function could occur for the feasible region? |
| |
|
 |
| |
|
A. |
(0, 3) |
B. |
(1, 5) |
| |
|
C. |
(-3, 6) |
D. |
(-3, 0) |
| |
|
Hint |
|
| |
5. |
Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions m and about 8 minutes to complete the short-answer questions s. The system of inequalities that represents this problem is graphed below. Which ordered pair is not a vertex of the feasible region? |
| |
|
 |
| |
|
A. |
(15, 0) |
B. |
(20, 0) |
| |
|
C. |
(0, 0) |
D. |
(0, 5) |
| |
|
Hint |
|
| |
6. |
 |
| |
|
A. |
 |
B. |
[10 37] |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
7. |
Write the fourth root of 625. |
| |
|
A. |
6254 |
B. |
4(625) |
| |
|
C. |
5 |
D. |
 |
| |
|
Hint |
|
| |
8. |
What is the distance between points with coordinates (1.32, 0.27) and (1.07, -0.33). |
| |
|
A. |
0.81 unit |
B. |
1.02 units |
| |
|
C. |
0.39 unit |
D. |
0.65 unit |
| |
|
Hint |
|
| |
9. |
Which is the graph of 4x2 + 9y2 + 16x -18y -11 = 0? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
What is the graph of ? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
11. |
Solve log5 ( x + 2) + log5 ( 2x - 1) = 2. |
| |
|
A. |
3 |
B. |
 |
| |
|
C. |
no solution |
D. |
, 3 |
| |
|
Hint |
|
| |
12. |
Find the arithmetic means of the sequence  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
13. |
Write an equation for the nth term of the arithmetic sequence 18, 30, 42, 54, 66, . . . . |
| |
|
A. |
an = n + 18 |
B. |
an = 18n + 12 |
| |
|
C. |
an = 12n + 6 |
D. |
an = 30n + 6 |
| |
|
Hint |
|
| |
14. |
Select the tree diagram that shows all the possible results of tossing a penny and rolling a number cube. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
Kim has 3 blue sweaters, 2 red sweaters, and 5 white sweaters in a dresser drawer. If she selects 3 sweaters at random with replacement, what is the probability she will select a red one first, white second, and blue third? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
16. |
Which point is the closest to (-2, 1)? |
| |
|
A. |
(-4, -1) |
B. |
(-5, 2) |
| |
|
C. |
(-1, 4) |
D. |
(-2, 5) |
| |
|
Hint |
|
| |
17. |
If the length of the transverse axis is 10 units, and the length of the conjugate axis is 6 units, what are the coordinates of the vertices? |
| |
|
A. |
Cannot be determined from given information. |
B. |
(5, 0) and (-5, 0) |
| |
|
C. |
(3, 5) and (3, -5) |
D. |
(0, 5) and (0, -5) |
| |
|
Hint |
|
| |
18. |
Simplify . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
19. |
Which of the following is not a necessary condition in a binomial experiment? |
| |
|
A. |
There is a fixed number of trials. |
B. |
The probabilities of each trial are the same. |
| |
|
C. |
There are exactly two possible outcomes for each trial. |
D. |
The probability of each outcome is the same. |
| |
|
Hint |
|
| |
20. |
Suppose a family has 9 children. What is the probability that they have at least 5 boys? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|