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1. |
Which phrase does not indicate subtraction? |
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A. |
decreased by |
B. |
less than |
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C. |
the ratio of |
D. |
the difference of |
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Hint |
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2. |
Name the property of equality shown by the statement: If 2 + 10 = 12 and 12 = 3(4), then 2 + 10 = 3(4). |
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A. |
Symmetric Property of Equality |
B. |
Transitive Property of Equality |
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C. |
Reflexive Property of Equality |
D. |
Additive Property of Equality |
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Hint |
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3. |
Which mathematical statement is not an example of the Distributive Property? |
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A. |
3 · (4 · 9) = (9 · 4) · 3 |
B. |
6(10 - 3) = (6 · 10) - (6 · 3) |
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C. |
xy + 2x = x(y +2) |
D. |
3(2 + 8) = 3 · 2 + 3 · 8 |
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Hint |
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4. |
A businessman is considering opening a new restaurant that will sell only expensive dinners geared toward adults. Which group of people would be a poor choice for this survey? |
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A. |
business executives |
B. |
wealthy retired couples |
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C. |
families with young children |
D. |
high-income single adults |
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Hint |
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5. |
What is the difference 6 - (-6)? |
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A. |
0 |
B. |
-6 |
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C. |
12 |
D. |
6 |
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Hint |
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6. |
The quotient of two integers with the same sign is _____. |
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A. |
equal to 0 |
B. |
positive |
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C. |
negative |
D. |
equal to 1 |
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Hint |
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7. |
You can show that a statement is false by finding one _____. |
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A. |
counterexample |
B. |
closure example |
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C. |
commutative example |
D. |
associative example |
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Hint |
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8. |
At the OldTyme Soda Fountain you can order floats made from cola, orange, or cherry flavored soda with either vanilla ice cream or vanilla frozen yogurt. Thus, there are 6 combinations of drinks possible (cola, ice cream), (cola, yogurt), (orange, ice cream), (orange, yogurt), (cherry, ice cream), and (cherry, yogurt). The list of all the possible outcomes is called the ______ . |
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A. |
combination space |
B. |
tree space |
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C. |
event space |
D. |
sample space |
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Hint |
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9. |
Which experiment will have exactly 36 outcomes? |
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A. |
roll a six-sided number cube twice |
B. |
roll a six-sided number cube once |
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C. |
spin a spinner with 6 equal-sized regions once |
D. |
toss 6 coins |
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Hint |
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10. |
When you multiply a number and its multiplicative inverse, or reciprocal, the product is ______. |
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A. |
0 |
B. |
1 |
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C. |
the number itself |
D. |
-1 |
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Hint |
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11. |
Suppose you need to solve the equation 3 = 2(5x + 1). What is a logical first step in solving this equation? |
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A. |
Use the Distributive Property. |
B. |
Use the Addition Property of Equality. |
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C. |
Use the Subtraction Property of Equality. |
D. |
Use the Substitution Property of Equality. |
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Hint |
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12. |
Every proportion has two cross products which are always ______. |
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A. |
zero |
B. |
negative |
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C. |
equal |
D. |
positive |
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Hint |
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13. |
Opal wants to be a professional baseball player. She decides to start going to a batting cage to practice. On the first day, Friday, she hits 61% of the balls that are pitched to her. On Saturday she hits 64%, and on Sunday she hits 67%. If she continues to improve at this rate for the next three days, what percent will she hit on Wednesday? |
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A. |
0.76 |
B. |
0.71 |
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C. |
0.73 |
D. |
0.75 |
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Hint |
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14. |
Find the difference 25 – 7. |
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A. |
18 |
B. |
-32 |
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C. |
32 |
D. |
-18 |
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Hint |
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15. |
Which sentence is not a true sentence? |
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A. |
>  |
B. |
>  |
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C. |
-15(8) < -16(-2) |
D. |
12(-4) > -13(4) |
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Hint |
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16. |
Solve |c + 3| – 4 = -2 |
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A. |
no solution |
B. |
-1 or -5 |
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C. |
1 or 5 |
D. |
-1 or 5 |
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Hint |
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17. |
Gaspar is starting his own photography business. For his first job, he's going to photograph a wedding. He estimates that he will need to take 115 photos. If each roll of film is 24 exposure, how many rolls of film will he need? |
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A. |
5 rolls of film |
B. |
8 rolls of film |
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C. |
4 rolls of film |
D. |
7 rolls of film |
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Hint |
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18. |
The scale drawing of a triangle is shown below. If the perimeter of the actual triangle is 35 feet, what is the scale? |
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A. |
1 in. = 3 ft |
B. |
2 in. = 7 ft |
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C. |
1 in. = 7 ft |
D. |
2 in. = 3 ft |
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Hint |
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19. |
The chart shows the amount of time Janette spends on each activity in her day. What percent of the time is Janette sleeping or socializing? Round to the nearest tenth of a percent if necessary. |
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A. |
29.2% |
B. |
54.2% |
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C. |
37.5% |
D. |
8.3% |
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Hint |
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20. |
Pia is going to ask Toya to go to the movies with him on Friday and Amanda to go out to dinner with him on Saturday. He figures there is a 25% chance that Toya will say yes and a 58% chance that Amanda will say yes. What is the probability that he will get a date this weekend? |
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A. |
97.5% |
B. |
68.5% |
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C. |
83% |
D. |
75.75% |
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Hint |
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