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1. |
Evaluate 3 × 2 - 6 ÷ 2 + 5. |
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A. |
-1 |
B. |
8 |
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C. |
5 |
D. |
-2 |
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Hint |
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2. |
Name the coefficient of xy2. |
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A. |
0 |
B. |
x |
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C. |
1 |
D. |
y |
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Hint |
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3. |
Which relationship would most likely have a positive correlation? |
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A. |
the rate at which a train travels, and the time it takes for it to reach its destination. |
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B. |
the amount of memory in computer, and the number of keys on the keyboard. |
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C. |
the number of tickets sold for a baseball game, and the number of hotdogs sold at the game. |
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D. |
the number of miles driven, and the number of gallons of gas in the car. |
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Hint |
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4. |
Simplify x3y0z-2. |
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A. |
 |
B. |
0 |
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C. |
 |
D. |
-x3yz2 |
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Hint |
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5. |
Express 0.034 × 107 in scientific notation. |
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A. |
3.4 × 109 |
B. |
3.4 × 105 |
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C. |
0.34 × 106 |
D. |
34 × 104 |
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Hint |
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6. |
Make a flowchart for the expression. . |
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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. |
Simplify 12y + 8y. |
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A. |
20y |
B. |
simplified |
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C. |
20y2 |
D. |
4y |
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Hint |
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8. |
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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9. |
Find  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Find the next three terms in the sequence 10, 15, 25, 40, …. |
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A. |
45, 50, 55 |
B. |
60, 85, 115 |
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C. |
55, 70, 85 |
D. |
65, 100, 145 |
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Hint |
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11. |
Evaluate z – (2yz + y) · y if y = -3 and z = 2. |
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A. |
-43 |
B. |
9 |
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C. |
47 |
D. |
23 |
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Hint |
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12. |
Find A – C. |
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A. |
impossible |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste? |
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A. |
Cluster Sampling |
B. |
Systematic Sampling |
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C. |
Convenience Sampling |
D. |
Random Sampling |
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Hint |
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14. |
What is the mode of the number of above-temperature days each month? |
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A. |
8 |
B. |
5 |
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C. |
2 |
D. |
6 |
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Hint |
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15. |
Which relationship will most likely have a positive correlation? |
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A. |
A person's height and a person's eye color. |
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B. |
Increasing snow inches, and sled sales. |
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C. |
Battery power of a flashlight, and continued use of the flashlight. |
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D. |
Rising temperatures and ski equipment sales. |
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Hint |
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16. |
What percent of data does the box in a box-and-whisker plot represent? |
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A. |
75% |
B. |
100% |
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C. |
50% |
D. |
25% |
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Hint |
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17. |
Using the box-and-whisker plot, what is the third quartile of Exam B? |
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A. |
88 |
B. |
95 |
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C. |
90 |
D. |
50 |
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Hint |
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18. |
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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19. |
What is B – C? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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20. |
Simplify –3m(–4n + 8) |
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A. |
12mn – 24m |
B. |
–12mn – 24 |
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C. |
–12mn – 24m |
D. |
12mn – 8 |
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Hint |
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