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1. |
In the expression, 12 · z, the letter z is called the _____ because it stands for an unknown number. |
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A. |
numerical expression |
B. |
product |
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C. |
variable |
D. |
algebraic expression |
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Hint |
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2. |
Evaluate the expression 15 - (x ÷ y) + 4 if x = 48 and y = 6. |
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A. |
27 |
B. |
3 |
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C. |
19 |
D. |
11 |
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Hint |
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3. |
One hundred people who enter a restaurant are asked to identify their favorite food. This sample is _____. |
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A. |
not a good sample because only people who eat at this particular restaurant are surveyed |
B. |
a good sample because the people are randomly chosen |
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C. |
a good sample because there are a large number of people surveyed |
D. |
not a good sample because you need to use at least 2000 people to have a good survey |
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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. |
families with young children |
B. |
wealthy retired couples |
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C. |
high-income single adults |
D. |
business executives |
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Hint |
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5. |
The product of two integers with different signs is _____. |
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A. |
equal to 1 |
B. |
positive |
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C. |
equal to 0 |
D. |
negative |
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Hint |
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6. |
When two fractions are compared, the cross products are the products of _____. |
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A. |
the numerators |
B. |
the consecutive terms |
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C. |
the denominators |
D. |
the diagonal terms |
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Hint |
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7. |
An experiment consists of tossing a coin three times. How many of the outcomes include at least 2 heads? |
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A. |
4 |
B. |
3 |
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C. |
2 |
D. |
1 |
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Hint |
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8. |
The quotient ÷ where b, c, d 0 is the same as _____. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
The area of a parallelogram can be found by using the formula A = bh, where b is the length of the base and h is the height of the parallelogram. The area of a parallelogram is 23.56 square inches. What is the height if the length of the base is 6.2 inches? |
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A. |
1.9 inches |
B. |
7.6 inches |
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C. |
3.8 inches |
D. |
146.072 inches |
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Hint |
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10. |
An equation that is true for every value of the variable is called a(n) ______. |
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A. |
empty set |
B. |
equivalency |
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C. |
identity |
D. |
representation |
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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 Substitution Property of Equality. |
B. |
Use the Addition Property of Equality. |
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C. |
Use the Distributive Property. |
D. |
Use the Subtraction Property of Equality. |
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Hint |
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12. |
Solve the equation = 10x + 2. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
Name the property shown by the statement: If 3 and 6 are whole numbers and 3 · 6 = 18, then 18 is a whole number. |
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A. |
Associative Property of Multiplication |
B. |
Closure Property of Whole Numbers |
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C. |
Commutative Property of Addition |
D. |
Commutative Property of Whole Numbers |
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Hint |
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14. |
Takoda wants to figure out how much the summer concert will cost the families attending. He knows that each adult has to pay ten dollars to get into the concert and that all children get in free. He does not know how much parking will cost for each vehicle, but he knows that each family will be driving its own vehicle. If there are 4 families with two parents and two families with single parents, which expression represents the situation? |
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A. |
6x + 40 |
B. |
6x + 100 |
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C. |
6x + 30 |
D. |
6x + 80 |
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Hint |
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15. |
Refer to the histogram showing the number of people from each age group in Takala's Yoga class. How many people in the class are from age 20-39? |
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A. |
23 people |
B. |
16 people |
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C. |
15 people |
D. |
20 people |
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Hint |
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16. |
Find the sum 3 + (-13). |
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A. |
10 |
B. |
16 |
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C. |
-16 |
D. |
-10 |
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Hint |
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17. |
Which equation below is not an example of the Subtraction Property of Equality? |
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A. |
If x = -5, then x – 2 = -5 – 2. |
B. |
If x = 0, then x – 4 = 0 – 4. |
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C. |
If x = 2, then x = 3 – 1. |
D. |
If x = 3, then x – 4 = 3 – 4. |
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Hint |
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18. |
Horacio has baked a loaf of raisin nut bread. The loaf is 7 inches long. If he wants to cut the loaf into inch wide slices, how many slices will he have? |
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A. |
12 |
B. |
9 |
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C. |
16 |
D. |
8 |
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Hint |
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19. |
Evaluate if h = . |
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A. |
 |
B. |
 |
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C. |
10 |
D. |
3 |
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Hint |
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20. |
Solve the equation s = -6. |
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A. |
s = -8 |
B. |
s = 8 |
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C. |
s = 4 |
D. |
s = -4 |
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Hint |
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