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1. |
Solve the equation r2 = 38 to the nearest tenth. Is the answer rational or irrational? |
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A. |
both of these |
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B. |
neither of these |
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C. |
 or  ; rational |
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D. |
or ; irrational |
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Hint |
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2. |
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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3. |
Solve the equation 160 = k2. Round your answer to the nearest tenth. |
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A. |
7.2, -7.2 |
B. |
25.3, -25.3 |
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C. |
12.6, -12.6 |
D. |
40.0, -40.0 |
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Hint |
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4. |
Name all sets of numbers to which  is a member. |
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A. |
irrational |
B. |
rational, integer |
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C. |
rational, integer, whole, natural |
D. |
rational, integer, whole |
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Hint |
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5. |
Order  and  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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