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1. |
Name the property shown by the statement (4 + x) + y = 4 + (x + y). |
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A. |
Associative Property of Addition |
B. |
Commutative Property of Multiplication |
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C. |
Associative Property of Multiplication |
D. |
Commutative Property of Addition |
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Hint |
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2. |
Which list of numbers best identifies the whole numbers? |
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A. |
1, 2, 3, 4, and so on |
B. |
1, 3, 5, 7, and so on |
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C. |
2, 4, 6, 8, and so on |
D. |
0, 1, 2, 3, and so on |
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Hint |
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3. |
You can show that a statement is false by finding one _____. |
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A. |
counterexample |
B. |
commutative example |
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C. |
associative example |
D. |
closure example |
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Hint |
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4. |
Simplify the expression 4n + (5 + n). |
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A. |
8n + 5 |
B. |
3n + 6 |
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C. |
5n + 5 |
D. |
9n |
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Hint |
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5. |
Simplify the expression 6 · (3x · 4 · 2x). |
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A. |
12 + 6x |
B. |
144x2 |
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C. |
72x2 |
D. |
18x2 + 3 |
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Hint |
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