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1. |
Graph , and on a number line. |
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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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2. |
Determine whether the number is rational or irrational. |
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A. |
Rational |
B. |
Neither |
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C. |
Irrational |
D. |
Both |
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Hint |
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3. |
Let R = real numbers, Q = rational number, Z = integers, W = whole numbers, and I = irrational numbers. Name the set(s) of numbers to which belongs. |
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A. |
R, Q, Z, W |
B. |
R, I, W |
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C. |
R, I |
D. |
R, Q, I |
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Hint |
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4. |
Replace ___ with a symbol to make ___ 4 a true sentence. |
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A. |
< |
B. |
> |
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C. |
= |
D. |
 |
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Hint |
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5. |
The speed of a car before breaking can be estimated using the expression 5.5 , where d represents the length of the skid marks in feet. This expression gives the speed in miles per hour. If a red car left a skid mark of 80 feet and a blue car left a skid mark of 110 feet, estimate how much faster the blue car was traveling than the red car. |
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A. |
10 mph |
B. |
5 mph |
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C. |
7 mph |
D. |
12 mph |
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Hint |
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