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1. |
The ordered pair (1, 4) is in which quadrant? |
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A. |
III |
B. |
IV |
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C. |
I |
D. |
II |
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Hint |
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2. |
The diameter of a volcanic particle averaged 0.000022 meter. What is this measure written in scientific notation? |
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A. |
0.22 × 10-4 |
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B. |
2.2 × 105 |
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C. |
2.2 × 10-5 |
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D. |
2.2 × 10 |
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Hint |
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3. |
Does the number triple 5, 6, and 8 represent the lengths of sides of a right triangle? Explain. |
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A. |
Yes, because 52 + 62 = 82. |
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B. |
No, because 8 + 6 < 5. |
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C. |
Yes, because 5 + 6 > 8. |
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D. |
No, because 52 + 62 82. |
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Hint |
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4. |
Find –2 × 5. |
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A. |
–10 |
B. |
10 |
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C. |
–7 |
D. |
3 |
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Hint |
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5. |
Find an addition and subtraction equation that represents the number lines below. |
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A. |
–6 + 7 = 1 –6 – –7 = 1 |
B. |
–6 + –1 = –7 –6 – 1 = –7 |
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C. |
–6 + 1 = 5 –6 – –1 = 5 |
D. |
1 + –6 = –5 1 – 6 = –5 |
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Hint |
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6. |
Find the sum. Then find a subtraction equation that is equivalent to the addition equation. –8 + –3 |
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A. |
–8 + –3 = 11 –8 – 3 = 11 |
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B. |
–8 + –3 = –11 –8 – 3 = –11 |
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C. |
–8 + –3 = –5 –8 – 3 = –5 |
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D. |
–8 + –3 = –11 –8 – 3 = 11 |
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Hint |
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7. |
Evaluate –52. |
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A. |
25 |
B. |
–10 |
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C. |
–25 |
D. |
10 |
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Hint |
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8. |
The graph of the Celsius-Kelvin temperature conversion formula, K = C + 273, is shown below. For which temperatures are the Kelvin temperatures positive and the Celsius temperatures negative? |
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A. |
temperatures greater than 273 K |
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B. |
temperatures between 0°C and 100°C |
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C. |
temperatures greater than –100°C |
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D. |
temperatures between 0 K and 273 K |
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Hint |
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9. |
Find the distance between (–3, 4) and (–1, –5). |
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A. |
3.32 units |
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B. |
8.66 units |
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C. |
9.22 units |
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D. |
2.24 units |
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Hint |
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10. |
Evaluate the expression.–2-4 |
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A. |
 |
B. |
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C. |
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D. |
–16 |
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Hint |
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