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1. |
Which figure comes next in the pattern? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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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. |
15 + y |
B. |
8 + y |
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C. |
8 + 3y |
D. |
15 + 3y |
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Hint |
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3. |
Simplify 3x2y + 2xy2 + 5x2y + 3y2. |
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A. |
8x2y + 2xy2 + 3y2 |
B. |
8x2y + 5xy2 |
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C. |
8x4y2+5y3 |
D. |
13x5y6 |
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Hint |
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4. |
Name the set of numbers that is graphed below. |
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A. |
{-1, 1} |
B. |
{-1, 0, 1} |
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C. |
{0} |
D. |
{-1, 0} |
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Hint |
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5. |
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80? |
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A. |
100 |
B. |
80 |
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C. |
93 |
D. |
97 |
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Hint |
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6. |
Find the perimeter of the figure if x = 5. |
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A. |
40 units |
B. |
5 units |
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C. |
20 units |
D. |
8 units |
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Hint |
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7. |
Find the range of {5, 21, 2, 14, 13}. |
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A. |
14 |
B. |
13 |
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C. |
65 |
D. |
19 |
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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. |
1 |
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C. |
5xy8 |
D. |
5xy2 |
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Hint |
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9. |
Write a verbal expression for 2x + y2. |
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A. |
The sum of 2 times x and y. |
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B. |
The sum of x and y squared. |
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C. |
The sum of 2 times x and y squared. |
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D. |
The difference of 2 times xand y squared. |
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Hint |
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10. |
Simplify 12y + 8y. |
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A. |
4y |
B. |
20y |
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C. |
simplified |
D. |
20y2 |
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Hint |
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11. |
Which scatter plot shows that x and y have a positive correlation? |
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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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12. |
Which of the following frequencies occurs most often? |
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A. |
10 |
B. |
14 |
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C. |
8 |
D. |
12 |
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Hint |
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13. |
A histogram is a graph in which the data are organized into equal _______. |
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A. |
elements |
B. |
tallies |
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C. |
bars |
D. |
intervals |
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Hint |
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14. |
Find the range of the data. |
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A. |
23 |
B. |
42.5 |
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C. |
61 |
D. |
19.5 |
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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. |
Convenience Sampling |
B. |
Cluster Sampling |
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C. |
Random Sampling |
D. |
Systematic Sampling |
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Hint |
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16. |
What is the range of the stem-and-leaf plot? |
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A. |
71 |
B. |
84 |
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C. |
67 |
D. |
77 |
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Hint |
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17. |
Find the mean of the data in the stem-and-leaf plot. |
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A. |
67 |
B. |
77 |
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C. |
99 |
D. |
78 |
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Hint |
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18. |
Why is the graph misleading? |
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A. |
Months are out of order. |
B. |
Scale is not at even intervals. |
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C. |
The dimensions other than height have changed. |
D. |
Scale should be smaller. |
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Hint |
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19. |
How could the graph be changed so it is not misleading? |
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A. |
Change the graph from vertical to horizontal. |
B. |
Diameters of the cans should be the same. |
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C. |
Color should be added. |
D. |
Change the vertical scale so that the maximum value is 100. |
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Hint |
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20. |
Which rule best describes the pattern 4.5, 9.5, 19.5, 39.5, 79.5… |
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A. |
Subtract 0.5, multiply by 2. |
B. |
Multiply by 2, add 0.5. |
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C. |
Subtract 1.5, add 6.5. |
D. |
Add 5, subtract 0.5. |
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Hint |
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