1. | Evaluate 3 × 2 - 6 ÷ 2 + 5. | |||||

5 | -2 | |||||

8 | -1 | |||||

Hint | ||||||

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

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

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

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

Hint | ||||||

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

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

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

Hint | ||||||

4. | 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 | ||||||

5. | Solve the equation 3x + y = 6 for x. |
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x = 6 - 3x |
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x = 5y |
x = 2 - y |
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Hint | ||||||

6. | The median is the _________ of a set of numbers. | |||||

highest number | middle number | |||||

most frequent | average | |||||

Hint | ||||||

7. | If the number 178,651 is rounded to 179,000 and plotted on a stem-and-leaf plot as 17|9, how would you display 151,205? | |||||

15|1 | 1|51 | |||||

151|2 | 15|2 | |||||

Hint | ||||||

8. | Solve for y. |
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y = 2 |
y = 10 |
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y = 5 |
y = 13 |
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Hint | ||||||

9. | Which pair of ratios forms a proportion? | |||||

Hint | ||||||

10. | A shirt was $60 and is now $53. What is the approximate percent of change? | |||||

88.33% | 11.67% | |||||

10% | 7% | |||||

Hint | ||||||

11. | An antique car was purchased for $7400 and is now worth $10,600. What is the approximate percent of change? | |||||

30.19% | 50% | |||||

43.24% | 69.81% | |||||

Hint | ||||||

12. | Which equation has a graph perpendicular to the graph 3y = 2x - 9? |
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3x + 2y = 7 |
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2x + 3y = 4 |
y = 2x + 5 |
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Hint | ||||||

13. | Write a verbal expression for 2x + y^{2}. |
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The sum of 2 times x and y. |
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The difference of 2 times xand y squared. |
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The sum of x and y squared. |
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The sum of 2 times x and y squared. |
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Hint | ||||||

14. | Which values are a counterexample to the given statement? If x + y = an even number, then x is even and y is even. |
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x = 7, y = 12 |
x = 12, y = 6 |
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x = 10, y = 9 |
x = 21, y = 3 |
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Hint | ||||||

15. | Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many more students said they have 2 family members in their household than 6? | |||||

15 | 10 | |||||

20 | 5 | |||||

Hint | ||||||

16. | Graph the solution set of y = x – 5, given the domain {-4, 0, 4, 8}. |
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Hint | ||||||

17. | Suppose y varies directly as x, and y = -319 when x = 29. Write a direct variation equation that relates x and y. |
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y = -11x |
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y = 11x |
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Hint | ||||||

18. | Graph | |||||

Hint | ||||||

19. | Write an equation of a line that passes through (9, -64) with slope –7. | |||||

y = -7x |
y = -7x + 1 |
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y = -7x – 127 |
y = -7x – 1 |
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Hint | ||||||

20. | Write an equation of a line that passes through (-12, -14) with slope . | |||||

Hint | ||||||