| |
| |
1. |
Name the set of numbers that is graphed below. |
| |
|
 |
| |
|
A. |
{-6, -3, 2, 4} |
B. |
{all integers} |
| |
|
C. |
{-3, 2, 4} |
D. |
{-6, -3, 0, 2, 4} |
| |
|
Hint |
|
| |
2. |
Graph {all integers less than 5, but greater than -1.} |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
3. |
Find the mean of {3, 8, 10, 1, 25}. |
| |
|
A. |
1 |
B. |
9.4 |
| |
|
C. |
8 |
D. |
9 |
| |
|
Hint |
|
| |
4. |
Find the mode of {325, 100, 115, 621, 325, 325, 100}. |
| |
|
A. |
115 |
B. |
273 |
| |
|
C. |
325 |
D. |
100 |
| |
|
Hint |
|
| |
5. |
Find the median of {55, 21, 47.4, 69, 71}. |
| |
|
A. |
21 |
B. |
55 |
| |
|
C. |
71 |
D. |
47.4 |
| |
|
Hint |
|
| |
6. |
Write an algebraic expression for one-half of a number x subtracted from fifty. |
| |
|
A. |
50 - 2x |
B. |
2x - 50 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
7. |
Find the next picture in the pattern. |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
Simplify . Assume the denominator is not equal to zero. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
Express 765,000,000,000 in scientific notation. |
| |
|
A. |
0.765 × 1012 |
B. |
7.65 × 1011 |
| |
|
C. |
7.65 × 10-11 |
D. |
7.65 × 1010 |
| |
|
Hint |
|
| |
10. |
Simplify 2x + 5x + 4(x + 3). |
| |
|
A. |
11x + 12 |
B. |
14x |
| |
|
C. |
11x + 3 |
D. |
23x |
| |
|
Hint |
|
| |
11. |
Which relationship would most likely have no correlation? |
| |
|
A. |
A person's age, and the address of the person. |
| |
|
B. |
A person's height and the person's shoe size. |
| |
|
C. |
The number of miles driven, and the number of gallons of gas in the car. |
| |
|
D. |
The number of pizzas ordered, and the total price of the bill. |
| |
|
Hint |
|
| |
12. |
How many children attend this child care facility? |
| |
|
 |
| |
|
A. |
100 |
B. |
70 |
| |
|
C. |
14 |
D. |
6 |
| |
|
Hint |
|
| |
13. |
To ensure healthy food, every tenth item is checked. What kind of sample is this? |
| |
|
A. |
Cluster Sampling |
B. |
Systematic Sampling |
| |
|
C. |
Convenience Sampling |
D. |
Random Sampling |
| |
|
Hint |
|
| |
14. |
Find the mean of the data in the stem-and-leaf plot. |
| |
|
 |
| |
|
A. |
78 |
B. |
99 |
| |
|
C. |
67 |
D. |
77 |
| |
|
Hint |
|
| |
15. |
Which relationship will most likely have a positive correlation? |
| |
|
A. |
Rising temperatures and ski equipment sales. |
| |
|
B. |
Battery power of a flashlight, and continued use of the flashlight. |
| |
|
C. |
A person's height and a person's eye color. |
| |
|
D. |
The number of movie tickets sold and the amount of popcorn sold. |
| |
|
Hint |
|
| |
16. |
Using the box-and-whisker plot, what is the third quartile of Exam B? |
| |
|
 |
| |
|
A. |
88 |
B. |
95 |
| |
|
C. |
90 |
D. |
50 |
| |
|
Hint |
|
| |
17. |
Find the first quartile of {2, 5, 13, 21, 0, 5, 18, 21, 22, 23, 26, 26, 26}? |
| |
|
A. |
25 |
B. |
27 |
| |
|
C. |
5 |
D. |
26 |
| |
|
Hint |
|
| |
18. |
Translate the phrase one-fourth less than a number times 4 into a variable expression. |
| |
|
A. |
- 4 |
B. |
- 4b |
| |
|
C. |
4a -  |
D. |
- a |
| |
|
Hint |
|
| |
19. |
Simplify m – 4n + 8m. |
| |
|
A. |
5m |
B. |
9m – 4n |
| |
|
C. |
–4m – 4n |
D. |
–4n – 4m |
| |
|
Hint |
|
| |
20. |
What are the next three terms if the first term is 6 and the pattern is add 2, subtract 3? |
| |
|
A. |
8, 5, 7 |
B. |
4, 7, 3 |
| |
|
C. |
6, 8, 5 |
D. |
9, 7, 10 |
| |
|
Hint |
|
|
|