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1. |
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 potato chip brands have less than 150 calories per serving. |
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B. |
Most of the tortilla chip brands have less than 150 calories per serving. |
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C. |
Potato chips and tortilla chips both have the same mean number of calories. |
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D. |
The data for potato chips and the data for tortilla chips have the same mode(s). |
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Hint |
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2. |
Use the distributive property to rewrite 3(5 + y) without parentheses. |
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A. |
8 + y |
B. |
8 + 3y |
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C. |
15 + 3y |
D. |
15 + y |
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Hint |
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3. |
Name the set of numbers that is graphed below. |
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A. |
{all integers} |
B. |
{-3, 2, 4} |
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C. |
{-6, -3, 0, 2, 4} |
D. |
{-6, -3, 2, 4} |
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Hint |
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4. |
Graph {-3, 3}. |
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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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5. |
Solve the equation 3b - 5 = 18. |
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A. |
b = 26 |
B. |
b = 20 |
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C. |
b =  |
D. |
b =  |
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Hint |
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6. |
Which pair of ratios forms a proportion? |
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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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7. |
Solve the proportion  |
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A. |
52.5 |
B. |
24 |
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C. |
13 |
D. |
0.02 |
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Hint |
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8. |
Simplify  Assume the denominator is not equal to zero. |
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A. |
 |
B. |
5xy2 |
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C. |
1 |
D. |
5xy8 |
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Hint |
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9. |
Find the solution of 4x + 10 = 42
if the replacement set is {6, 7, 8, 9}. |
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A. |
8 |
B. |
6 |
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C. |
7 |
D. |
9 |
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Hint |
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10. |
Simplify 12y + 8y. |
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A. |
20y |
B. |
simplified |
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C. |
4y |
D. |
20y2 |
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Hint |
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11. |
Simplify 7(b + 3) + 14. |
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A. |
24b |
B. |
42b |
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C. |
7b + 17 |
D. |
7b + 35 |
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Hint |
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12. |
Find  . |
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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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13. |
Find A – C. |
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A. |
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B. |
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C. |
impossible |
D. |
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Hint |
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14. |
Simplify ((22)3)4. |
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A. |
220 = 1,048,576 |
B. |
212 = 4096 |
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C. |
29 = 512 |
D. |
224 =16,777,216 |
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Hint |
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15. |
What kind of sampling is represented by putting 70 names in a hat and drawing 10 of the names? |
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A. |
Random Sampling |
B. |
Cluster Sampling |
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C. |
Systematic Sampling |
D. |
Convenience Sampling |
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Hint |
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16. |
Using the box-and-whisker plot, what is the least value of the data for exam A? |
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A. |
50 |
B. |
83 |
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C. |
45 |
D. |
65 |
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Hint |
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17. |
What expression describes the total bill, b, divided equally by 4 people? |
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A. |
b – 4 |
B. |
b + 4 |
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C. |
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D. |
4b |
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Hint |
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18. |
What are the next three terms if the first term is 6 and the pattern is add 2, subtract 3? |
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A. |
4, 7, 3 |
B. |
9, 7, 10 |
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C. |
6, 8, 5 |
D. |
8, 5, 7 |
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Hint |
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19. |
Which is the graph of the solution to  |
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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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20. |
Which is a graph showing the set of real numbers from 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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