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1. |
The table shows the sales of athletic footwear for a recent year. Which measure of central tendency is the greatest? |
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A. |
mode |
B. |
mean |
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C. |
median |
D. |
none |
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Hint |
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2. |
Solve 7(2k + 4) - (3k + 1) = 49. |
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A. |
1 |
B. |
1.8 |
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C. |
2 |
D. |
4 |
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Hint |
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3. |
Which statement is true about the graph shown below? |
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A. |
The relation is not a function. |
B. |
The range is {-3, -2, 0, 1}. |
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C. |
The domain is {-3, 2, 4}. |
D. |
The relation is a function. |
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Hint |
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4. |
Which function is not linear? |
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A. |
f(x) = 14x + 7 |
B. |
f(x) = 8 |
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C. |
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D. |
f(x) = 2x3 |
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Hint |
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5. |
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? |
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A. |
63°F |
B. |
33°F |
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C. |
111°F |
D. |
71.25°F |
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Hint |
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6. |
What does 9|4 mean in the stem-and-leaf plot below? |
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A. |
94 |
B. |
904 |
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C. |
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D. |
49 |
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Hint |
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7. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
1 |
B. |
8 |
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C. |
9 |
D. |
9.4 |
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Hint |
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8. |
Solve  |
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A. |
x = 6 |
B. |
No Solution |
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C. |
x = -6 |
D. |
All Real Numbers |
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Hint |
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9. |
Solve 6z > 39. |
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A. |
{z | z < 234} |
B. |
{z | z > 234} |
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C. |
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D. |
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Hint |
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10. |
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. |
11 |
D. |
19.8 |
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Hint |
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11. |
Find the median of the data. |
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A. |
42.5 |
B. |
29.5 |
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C. |
19.5 |
D. |
23 |
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Hint |
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12. |
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. |
mean, 178 |
B. |
mean, 152 |
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C. |
mode, 146 |
D. |
median, 154 |
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Hint |
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13. |
What are the next 3 terms in the sequence 1, 4, 3, 6, 5….? |
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A. |
8, 7, 10 |
B. |
7, 10, 9 |
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C. |
7, 8, 9 |
D. |
8, 10, 11 |
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Hint |
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14. |
What is the rule relating each term in the sequence 1, –1, –3, –5…? |
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A. |
Divide by  |
B. |
Subtract 2 |
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C. |
Subtract 1 |
D. |
Add 3 |
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Hint |
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15. |
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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16. |
Solve 3.6 = 2.5 + x. |
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A. |
1.4 |
B. |
1.1 |
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C. |
6.1 |
D. |
9 |
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Hint |
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17. |
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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18. |
Why is the graph misleading? |
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A. |
Scale is not at even intervals. |
B. |
Scale should be smaller. |
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C. |
Months are out of order. |
D. |
The dimensions other than height have changed. |
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Hint |
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