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1. |
Find the mode for the stem-and-leaf plot shown below. |
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A. |
59 |
B. |
25 |
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C. |
52 |
D. |
53 |
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Hint |
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2. |
The number of calories for a serving of different brands of potato chips and tortilla chips is shown in the back-to-back stem-and-leaf plot below. Which statement is correct? |
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A. |
Most of the tortilla chip brands have less than 150 calories per serving. |
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B. |
The data for potato chips and the data for tortilla chips have the same mode(s). |
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C. |
Most of the potato chip brands have less than 150 calories per serving. |
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D. |
Potato chips and tortilla chips both have the same mean number of calories. |
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Hint |
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3. |
Choose the graph that is not a function. |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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4. |
Simplify  |
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A. |
k-3 |
B. |
k3 |
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C. |
k17 |
D. |
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Hint |
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5. |
What is the difference between the highest and the lowest values? |
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A. |
84 |
B. |
100 |
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C. |
75 |
D. |
80 |
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Hint |
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6. |
Find the sum -5 + (-6). |
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A. |
-1 |
B. |
11 |
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C. |
-11 |
D. |
1 |
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Hint |
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7. |
Find the sum -6 + 3. |
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A. |
3 |
B. |
-3 |
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C. |
9 |
D. |
-9 |
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Hint |
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8. |
Based on the line plot, how many students scored below 70? |
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A. |
14 |
B. |
12 |
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C. |
13 |
D. |
25 |
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Hint |
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9. |
Find the product (-3.6) × 7. |
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A. |
25.2 |
B. |
2.4 |
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C. |
10.6 |
D. |
-25.2 |
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Hint |
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10. |
Solve  |
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A. |
n =  |
B. |
n =  |
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C. |
n = 2 |
D. |
n = 9 |
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Hint |
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11. |
Find the mean of the set {14, 16, 23, 9, 13, 31, 12, 28}. |
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A. |
16.5 |
B. |
18.25 |
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C. |
19 |
D. |
15 |
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Hint |
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12. |
Solve  |
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A. |
All Real Numbers |
B. |
No Solution |
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C. |
x = -6 |
D. |
x = 6 |
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Hint |
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13. |
Graph the solution set to the inequality 5x – 3 < 3x + 7. |
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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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14. |
In the set of data
{113, 146, 146, 154, 157, 170, 181},
which measure of central tendency has the highest value? What is the value? |
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A. |
median, 154 |
B. |
mode, 146 |
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C. |
mean, 152 |
D. |
mean, 178 |
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Hint |
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15. |
Which is a graph showing the set of real numbers from -1 to 2 inclusive? |
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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. |
If  and  , what is  |
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A. |
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B. |
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C. |
125 |
D. |
216 |
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Hint |
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17. |
Find the next two terms of the sequence 64, –32, 16, –8…? |
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A. |
–4, –2 |
B. |
–2, –1 |
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C. |
4, –2 |
D. |
4, 2 |
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Hint |
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18. |
What is the rule relating each term in the sequence 3, 6, 9, 12…? |
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A. |
Multiply by  |
B. |
Add 3 |
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C. |
Add  |
D. |
Multiply by 2 |
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Hint |
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19. |
Solve  |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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20. |
What appears to happen in the graph? |
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A. |
Sales have cut in half each month.. |
B. |
Sales have slightly increased. |
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C. |
Sales have doubled each month.. |
D. |
Sales have dropped. |
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Hint |
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