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1. |
Name the sets of numbers to which  belongs. |
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A. |
integer, irrational, rational |
B. |
integer, rational, real |
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C. |
irrational, real |
D. |
rational, real |
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Hint |
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2. |
Solve the equation 160 = k2. Round your answer to the nearest tenth. |
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A. |
12.6, -12.6 |
B. |
25.3, -25.3 |
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C. |
40.0, -40.0 |
D. |
7.2, -7.2 |
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Hint |
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3. |
Name all sets of numbers to which 33 is a member. |
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A. |
irrational |
B. |
rational, whole, natural |
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C. |
rational, integer, whole, natural |
D. |
rational, integer |
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Hint |
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4. |
Order  and 2.75 from least to greatest. |
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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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5. |
Solve a2 = 78. Round your answer to the nearest tenth. |
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A. |
a = 8.2, -8.2 |
B. |
a = 9.4, -9.4 |
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C. |
a = 6.9, -6.9 |
D. |
a = 8.8, -8.8 |
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Hint |
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