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1. |
The line plot shows the lengths in feet of a group of adult seals. What is the mean length to the nearest tenth? |
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A. |
6.9 ft |
B. |
7.3 ft |
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C. |
6.5 ft |
D. |
7.0 ft |
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Hint |
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2. |
Write an algebraic expression to represent ''the sum of 6 and three times a number squared.'' |
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A. |
6 + 3x |
B. |
6 + 3x2 |
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C. |
6(3x) |
D. |
6(3x)2 |
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Hint |
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3. |
What is the difference between the highest and the lowest values? |
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A. |
75 |
B. |
84 |
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C. |
80 |
D. |
100 |
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Hint |
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4. |
The following are scores on the English exam (the scores are out of 100). Which is the correct line plot? |
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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. |
Find the mode of {325, 100, 115, 621, 325, 325, 100}. |
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A. |
100 |
B. |
325 |
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C. |
115 |
D. |
273 |
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Hint |
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6. |
Solve  |
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A. |
 |
B. |
a = -90 |
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C. |
a = 90 |
D. |
 |
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Hint |
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7. |
Solve the equation 3y + 8 = 36. |
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A. |
 |
B. |
 |
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C. |
4 |
D. |
20 |
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Hint |
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8. |
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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9. |
Consider the formula F(c) = 1.8c + 32, where c is the temperature in degrees Celsius and F(c) is the temperature in degrees Fahrenheit. If it is 0° C at the beginning of the day, and it is 11° C at noon, what was the change in temperature in degrees Fahrenheit? |
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A. |
-12.2 |
B. |
51.8 |
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C. |
19.8 |
D. |
11 |
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Hint |
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10. |
Find the median of the data. |
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A. |
23 |
B. |
42.5 |
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C. |
19.5 |
D. |
29.5 |
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Hint |
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11. |
Baseball players are trying to show that they deserve more money. Their owner is paying 10 of them $1 million, 8 of them $2 million, and 3 of them $15 million. To support their case, which measure of central tendency should they use? |
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A. |
mean |
B. |
standard deviation |
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C. |
median |
D. |
mode |
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Hint |
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12. |
Find the next four terms of the sequence 16, 24, 32….? |
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A. |
48, 56, 64, 72 |
B. |
42, 50, 58, 66 |
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C. |
40, 48, 56, 64 |
D. |
32, 40, 48, 56 |
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Hint |
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13. |
What are the next 3 terms in the sequence 2, 4, 8, 14, 22….? |
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A. |
28, 32, 38 |
B. |
32, 44, 58 |
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C. |
34, 48, 62 |
D. |
30, 42, 56 |
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Hint |
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14. |
Given  find  |
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A. |
-3 |
B. |
6 |
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C. |
-6 |
D. |
3 |
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Hint |
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15. |
Given  find  |
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A. |
12 |
B. |
–14 |
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C. |
10 |
D. |
–12 |
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Hint |
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16. |
Given  find ? |
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A. |
–9 |
B. |
9 |
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C. |
–12 |
D. |
10 |
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Hint |
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17. |
Solve  |
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A. |
 |
B. |
 |
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C. |
21 |
D. |
28 |
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Hint |
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18. |
Solve x + 7 > 13. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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