1. | Which statement illustrates the symmetric property? | |||||

If 3 + 2 = 5 and 5 = 4 + 1, then 3 + 2 = 4 + 1. | ||||||

If 3 + 2 = 5, then 5 = 3 + 2. | ||||||

3 + 2 = 5 | ||||||

Hint | ||||||

2. | Which statement illustrates the commutative property of addition? | |||||

(5 + 3) + 6 = 8 + 6 | (5 + 3) + 6 = 14 | |||||

(5 + 3) + 6 = (3 + 5) + 6 | (5 + 3) + 6 = 5 + (3 + 6) | |||||

Hint | ||||||

3. | Which graph matches the following statement? The outside temperature rises steadily to 85° at 3 p.m., then drops steadily to 65° at 8 p.m.. |
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Hint | ||||||

4. | Find the sum -6 + 3. | |||||

9 | -9 | |||||

-3 | 3 | |||||

Hint | ||||||

5. | Find the difference |-25| - (-32). | |||||

57 | 7 | |||||

-57 | -7 | |||||

Hint | ||||||

6. | Simplify (4x)(-2y). |
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-8xy |
-8x - 8y |
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-8 + xy |
2xy |
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Hint | ||||||

7. | Solve the equation 3b - 5 = 18. |
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b = |
b = 26 |
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b = |
b = 20 |
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Hint | ||||||

8. | Solve the equation | |||||

a = |
a = 5 |
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a = |
a = 0 |
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Hint | ||||||

9. | Write an algebraic expression for one-half of a number x subtracted from fifty. |
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50 - 2x |
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2x - 50 |
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10. | Solve for y. |
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y = 13 |
y = 2 |
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y = 5 |
y = 10 |
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Hint | ||||||

11. | Which graph matches the following statement? You are driving a steady speed, then stop for a train. When the train passes, you resume your speed. |
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Hint | ||||||

12. | Which statement is best illustrated by the graph? | |||||

driving through the city | walking up steps | |||||

jogging | driving on the highway | |||||

Hint | ||||||

13. | Two trains leave the station at the same time. The first train is traveling north at 55 mph and the second train is traveling south at 35 mph. How long does it take until they are 45 miles apart? | |||||

hour | hour | |||||

1 hour | hour | |||||

Hint | ||||||

14. | Name the property used in the equation x + 0 = 22. Then solve for x. |
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Multiplicative Inverse; x = |
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Multiplicative Property of Zero; x = 22 |
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Additive Identity; x = 22 |
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Multiplicative Identity; x = 1 |
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Hint | ||||||

15. | Name the property demonstrated by 4 × 3 = 4 × 3. | |||||

Multiplicative Inverse | ||||||

Reflexive Property | ||||||

Multiplicative Identity | ||||||

Symmetric Property | ||||||

Hint | ||||||

16. | Identify the conclusion in the following statement: If 13b + 12 = 77, then b = 5. |
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13b + 12 |
13b + 12 = 17 |
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b |
b = 5 |
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Hint | ||||||

17. | What is the probability of rolling a number greater than 6 on a number cube? | |||||

1 | 0 | |||||

Hint | ||||||

18. | Find | |||||

Hint | ||||||

19. | Solve 11b = 132. |
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b = -1452 |
b = -12 |
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b = 12 |
b = 1452 |
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Hint | ||||||

20. | Xenxang drove 60 miles to visit his daughter. On the way to his daughter's house the trip took 1 hour and 15 minutes. On the way back from his daughter's house the trip took 1 hour and 30 minutes. Rounded to the nearest mile per hour, what was Xenxang's average speed for the round trip? | |||||

48 miles per hour | ||||||

46 miles per hour | ||||||

44 miles per hour | ||||||

40 miles per hour | ||||||

Hint | ||||||