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1. |
Find the mean for the data set
99, 103, 140, 153, 109, 92, 125, 110, 140. |
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A. |
110 |
B. |
119 |
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C. |
61 |
D. |
140 |
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Hint |
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2. |
Find the mode of the set of data. 24, 25, 30, 31, 31, 33, 34, 38, 41, 42, 44, 48, 49, 67 |
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A. |
34 |
B. |
31 |
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C. |
67 |
D. |
36 |
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Hint |
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3. |
Evaluate (17 + 15) ÷ (5 - 1). |
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A. |
32 |
B. |
4 |
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C. |
8 |
D. |
19 |
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Hint |
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4. |
The inequality 18 < 14 is ______. |
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A. |
false |
B. |
complete |
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C. |
true |
D. |
open |
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Hint |
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5. |
What is the rule for the pattern
100, 99, 97, 94, 90, … ? |
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A. |
Subtract odd numbers from each term beginning with 1. |
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B. |
Subtract the term number from the next term. |
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C. |
Subtract even numbers from each term beginning with 2. |
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D. |
Subtract the term number from the term. |
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Hint |
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6. |
How large is each interval in the histogram below? |
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 |
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A. |
100 |
B. |
500 |
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C. |
1,000 |
D. |
200 |
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Hint |
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7. |
Which type of display is most appropriate for showing scores on a standardized exam in a particular city? |
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A. |
histogram |
B. |
scatter plot |
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C. |
bar graph |
D. |
line plot |
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Hint |
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8. |
Choose the best description for the figure. |
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 |
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A. |
dodecagon, not regular |
B. |
decagon (10 sides) |
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C. |
not a polygon |
D. |
regular dodecagon (12 sides) |
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Hint |
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9. |
The sum of the measures of the angles of a regular octagon is 1,080°. Find the measure of one of its angles. |
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A. |
135° |
B. |
108° |
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C. |
120° |
D. |
90° |
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Hint |
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10. |
What is the area of this parallelogram? |
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A. |
22.2 square centimeters |
B. |
19.2 square centimeters |
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C. |
13.7 square centimeters |
D. |
44.2 square centimeters |
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Hint |
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11. |
If you roll a number cube, what is the theoretical probability of rolling a 6? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
Jenna charges $10 for the first two hours of babysitting, and $3 for every additional hour. How much does Jenna charge for four hours of babysitting? |
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A. |
$12 |
B. |
$40 |
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C. |
$16 |
D. |
$13 |
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Hint |
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13. |
Find a possible description that matches the graph. |
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A. |
Carlos is as tall as James, but Carlos is younger. |
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B. |
Carlos is as tall as James, but Carlos is older. |
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C. |
Carlos is taller and older than James. |
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D. |
Carlos is shorter and younger than James. |
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Hint |
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14. |
The following Chapter 6 test scores, out of 100 points, were taken from the fourth period class. Which type of graph would you not want to use to display the results?
86, 79, 92, 96, 88, 85, 80, 88, 83, 77, 81, 72, 90, 69, 89 |
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A. |
stem-and-leaf-plot |
B. |
stacked bar graph |
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C. |
line plot |
D. |
histogram |
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Hint |
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15. |
The stacked bar graph shows the number of wins each of three intramural hockey teams had in four consecutive years. Which team had the most wins? |
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A. |
2000 Bears |
B. |
1997 Hawks |
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C. |
1999 Bears |
D. |
1999 Cheetahs |
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Hint |
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16. |
What is always the final answer to this Think of a Number trick.Think of a number.Multiply by 2.Add 4 times the original number.Divide by 6. |
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A. |
1 |
B. |
10 |
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C. |
the same number you started with |
D. |
10 times the number you started with |
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Hint |
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17. |
Find the missing step in the explanation of a Think of a Number trick. |
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A. |
5(n + 6) = 5n + 30 |
B. |
5(n + 6) = 5n + 11 |
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C. |
5(n + 6) = 5n – 11 |
D. |
5(n + 6) = 5n + 6 |
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Hint |
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18. |
Which diagram correctly displays a right triangle? |
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A. |
 |
B. |
all answers are correct |
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C. |
 |
D. |
 |
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Hint |
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19. |
Find a solution to the equation using guess-check-and-improve.
8b + 17 = 41 |
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A. |
b = 17 |
B. |
b = 3 |
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C. |
b = 1 |
D. |
b = 18 |
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Hint |
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20. |
Which equation would it be easiest to solve using the guess-check-and-improve method? |
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A. |
 |
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B. |
19 = 53 + 31y |
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C. |
36 · (5y + 20) = 146 |
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D. |
(10 – y) × y = 77 |
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Hint |
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