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1. |
In a stem-and-leaf plot, ______. |
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A. |
a key is used to describe what the numbers in the plot represent. |
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B. |
0 can never be a stem |
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C. |
0 can never be a leaf |
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D. |
the stems are on the right side and the leaves are on the left side |
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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. |
36 |
B. |
67 |
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C. |
34 |
D. |
31 |
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Hint |
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3. |
Write  in a place value chart. |
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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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4. |
A full tank of gasoline costs $17.45. If the car has a 12-gallon tank, approximately how much does a gallon of gasoline cost? |
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A. |
$0.145 |
B. |
$1.54 |
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C. |
$14.50 |
D. |
$1.45 |
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Hint |
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5. |
The following are scores on an English exam. The highest score possible is 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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6. |
Which symbol makes the sentence true? |
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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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7. |
A line plot gives a fairly good representation of the distribution of data. |
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A. |
False, the best distribution is always shown with a circle graph. |
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B. |
False, because the data that occurs the most is not shown. |
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C. |
True |
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D. |
False, because not all of the data is represented. |
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Hint |
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8. |
Express  as a percent. |
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A. |
100% |
B. |
80% |
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C. |
60% |
D. |
40% |
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Hint |
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9. |
Which formula represents the Pythagorean Theorem? |
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A. |
a + b = c |
B. |
c2 = a2 + b2 |
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C. |
a2 = b2 + b2 |
D. |
c2 = a2 - b2 |
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Hint |
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10. |
Given the lengths of the sides of a triangle, which of the followingis not a right triangle? |
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A. |
3, 4, 5 |
B. |
5, 12, 13 |
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C. |
6, 8, 10 |
D. |
10, 12, 15 |
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Hint |
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11. |
Which is least, 0, –6, 3, or –3? |
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A. |
–6 |
B. |
0 |
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C. |
–3 |
D. |
3 |
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Hint |
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12. |
Make a line graph for the data in the table. |
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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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13. |
Which simulation would be used to simulate shooting 25 free throws in basketball? |
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A. |
shooting 25 free throws |
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B. |
tossing a coin 25 times |
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C. |
rolling a 5-sided die 5 times |
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D. |
drawing 25 cards from a standard deck of cards |
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Hint |
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14. |
Two number cubes are rolled. What is the probability that their sum is 6? |
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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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15. |
How many toothpicks are in Term 78? |
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A. |
234 |
B. |
471 |
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C. |
465 |
D. |
468 |
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Hint |
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16. |
Find a possible description that matches the graph. |
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A. |
Carlos is taller and older than James. |
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B. |
Carlos is as tall as James, but Carlos is older. |
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C. |
Carlos is as tall as James, but Carlos is younger. |
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D. |
Carlos is shorter and younger than James. |
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Hint |
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17. |
What statistical measure(s) would you use if you wanted to know the answer to this question on a survey: What are the students' favorite sports? |
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A. |
all answers are correct |
B. |
mean |
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C. |
median |
D. |
mode |
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Hint |
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18. |
Jaime found a rule for this dot sequence to be d = 3 + 2(n – 1), where n is used to represent the term number and d to represent the number of dots. Find an equivalent rule. |
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A. |
d = 1 – 2n |
B. |
d = 2n + 1 |
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C. |
d = 3 – (2n + 1) |
D. |
d = 3 – 2(n – 1) |
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Hint |
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19. |
In a package of candy, there are 3 red candies for every yellow candy. Write a rule for the relationship between the two variables if r represents red candies and y represents yellow candies. |
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A. |
y = r + 3 |
B. |
r = y + 3 |
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C. |
y = 3r |
D. |
r = 3y |
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Hint |
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20. |
The number sentence below is false. Make the sentence true by changing one symbol or number. Find the correct number sentence.
52 – 21 = 5 × 4 + 8
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A. |
52 – 21 < 5 × 4 + 8 |
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B. |
52 – 21 > 5 × 4 + 8 |
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C. |
52 – 21 = 5 × 5 + 8 |
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D. |
62 – 21 = 5 × 4 + 8 |
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Hint |
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