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1. |
Graph {all integers less than 5, but greater than -1.} |
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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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2. |
Write an equation for the following word problem. A number is 6 times another number. The sum of the two numbers is 56. |
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A. |
y + 6y = 56 |
B. |
y = 6(56) |
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C. |
y = 56 |
D. |
y + y = 56 |
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Hint |
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3. |
Solve 15 + a = 10. |
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A. |
a = 25 |
B. |
a = -25 |
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C. |
a = 150 |
D. |
a = -5 |
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Hint |
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4. |
Solve  |
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A. |
n = 9 |
B. |
n = 2 |
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C. |
n =  |
D. |
n =  |
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Hint |
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5. |
Solve the proportion  |
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A. |
-6 |
B. |
 |
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C. |
2 |
D. |
1 |
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Hint |
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6. |
Simplify (7a4b) (8a7b6). |
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A. |
56a11b7 |
B. |
56a28b6 |
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C. |
15a11b7 |
D. |
15a28b6 |
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Hint |
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7. |
This game board is made up of concentric circles. The center circle has a diameter of 4 inches. Each successive ring has a radius 2 inches greater than the ring before. Find the probability of scoring 80 points. |
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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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8. |
The scale of a map is inch = 10 miles. What is the distance between two cities that are inches apart on the map? |
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A. |
80 miles |
B. |
100 miles |
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C. |
95 miles |
D. |
90 miles |
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Hint |
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9. |
Evaluate z – (2yz + y) · y if y = -3 and z = 2. |
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A. |
23 |
B. |
9 |
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C. |
-43 |
D. |
47 |
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Hint |
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10. |
Every fifth person that comes out of a library is asked whether they prefer to read a book or watch a movie. Is this biased or unbiased and why? |
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A. |
biased, because a library loans out primarily books |
B. |
biased, because the sample is not representative of everyone in the library |
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C. |
unbiased, because they are using a systematic random sample |
D. |
unbiased, because the location is not important |
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Hint |
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11. |
Steve needed to find out which classes people liked the most. Therefore, after he arrived at his math club meeting, he asked some people there. What kind of sample is this? |
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A. |
unbiased, random stratified sample |
B. |
biased, voluntary |
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C. |
unbiased, random sample |
D. |
biased, convenience |
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Hint |
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12. |
Which of the following is not necessarily considered a part of the population? |
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A. |
census |
B. |
biased sample |
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C. |
the data collector |
D. |
random sample |
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Hint |
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13. |
How many different two-person teams can be made from 6 people? |
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A. |
120 |
B. |
15 |
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C. |
360 |
D. |
30 |
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Hint |
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14. |
What is the third quartile of {2, 5, 13, 21, 29}? |
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A. |
20 |
B. |
18 |
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C. |
25 |
D. |
27 |
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Hint |
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15. |
Find the median of the data. |
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A. |
30 |
B. |
25 |
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C. |
29.5 |
D. |
61 |
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Hint |
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16. |
Simplify 4(6m - 2n) - 2(2m - 6n). |
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A. |
24m - 20n |
B. |
20m + 4n |
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C. |
28m - 20n |
D. |
20m - 4n |
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Hint |
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17. |
Which rule best describes the pattern 0.6, 0.4, 1.0, 0.8, 1.4, 1.2, 1.8, 1.6…. |
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A. |
Add 6, subtract 2. |
B. |
Subtract 0.2, add 1.6. |
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C. |
Subtract 0.2, Add 0.6, |
D. |
Subtract 0.6, add 1.6. |
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Hint |
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18. |
Solve  |
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A. |
13 |
B. |
1 |
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C. |
4 |
D. |
11 |
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Hint |
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19. |
Solve  |
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A. |
-32 |
B. |
-40 |
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C. |
32 |
D. |
40 |
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Hint |
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20. |
A bag of marbles has 4 blue marbles, 1 red marble, 5 green marbles and 6 orange marbles. One marble is taken from the bag. It is not replaced. Then another marble is taken from the bag. What is the probability that the first marble is red and the second marble is green? |
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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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