| |
| |
1. |
The formula for the area of a trapezoid is Solve the formula for h. |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
2. |
Determine which equation represents a function. |
| |
|
A. |
 |
B. |
x = 4 |
| |
|
C. |
y = -2x + 1 |
D. |
x = y2 - 1 |
| |
|
Hint |
|
| |
3. |
Which equation is graphed below? |
| |
|
 |
| |
|
A. |
x + 3y = 6 |
B. |
3x + y = 6 |
| |
|
C. |
3x - y = -6 |
D. |
x - 3y = -6 |
| |
|
Hint |
|
| |
4. |
The temperature f(x) of water in a lake in degrees Fahrenheit is estimated by the function shown below, where x is the depth in feet of the water. What would be the temperature of water 30 feet below the surface? |
| |
|
 |
| |
|
A. |
71.25°F |
B. |
33°F |
| |
|
C. |
111°F |
D. |
63°F |
| |
|
Hint |
|
| |
5. |
Which interval has the most values? |
| |
|
 |
| |
|
A. |
70-80 |
B. |
90-100 |
| |
|
C. |
60-70 |
D. |
10-20 |
| |
|
Hint |
|
| |
6. |
What does 9|4 mean in the stem-and-leaf plot below? |
| |
|
 |
| |
|
A. |
 |
B. |
904 |
| |
|
C. |
94 |
D. |
49 |
| |
|
Hint |
|
| |
7. |
The following are scores on the English exam (the scores are out of 100). Which is the correct line plot? |
| |
|
 |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
8. |
Solve |
| |
|
A. |
a = 19 |
B. |
a = -6 |
| |
|
C. |
a = 29 |
D. |
a = 5 |
| |
|
Hint |
|
| |
9. |
Find the median of {55, 21, 47.4, 69, 71}. |
| |
|
A. |
47.4 |
B. |
55 |
| |
|
C. |
71 |
D. |
21 |
| |
|
Hint |
|
| |
10. |
Which measure of variation does not depend on the mean? |
| |
|
A. |
standard deviation |
B. |
range |
| |
|
C. |
mode |
D. |
variance |
| |
|
Hint |
|
| |
11. |
Find the next four terms of the sequence 16, 24, 32….? |
| |
|
A. |
32, 40, 48, 56 |
B. |
40, 48, 56, 64 |
| |
|
C. |
48, 56, 64, 72 |
D. |
42, 50, 58, 66 |
| |
|
Hint |
|
| |
12. |
What is the rule relating each term in the sequence 3, 6, 9, 12…? |
| |
|
A. |
Multiply by 2 |
B. |
Add 3 |
| |
|
C. |
Add  |
D. |
Multiply by  |
| |
|
Hint |
|
| |
13. |
Given find  |
| |
|
A. |
12 |
B. |
–12 |
| |
|
C. |
10 |
D. |
–14 |
| |
|
Hint |
|
| |
14. |
Solve  |
| |
|
A. |
7 |
B. |
–25 |
| |
|
C. |
–7 |
D. |
–21 |
| |
|
Hint |
|
| |
15. |
Solve  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
21 |
D. |
28 |
| |
|
Hint |
|
| |
16. |
Solve  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
17. |
Solve  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
18. |
What appears to happen in the graph? |
| |
|
 |
| |
|
A. |
Sales have dropped. |
B. |
Sales have slightly increased. |
| |
|
C. |
Sales have doubled each month.. |
D. |
Sales have cut in half each month.. |
| |
|
Hint |
|
|
|