Unit 6 Review

1. Grapes are priced at $2.25 per pound. Which of the following equations best represents the cost, c, of buying g, pounds of grapes?

• A. c = 2.25g
• B. c = g + 2.25
• C. g = c + 2.25
• D. g = 2.25c

2. Which statement best describes the two tables below?

• A. Table B is an additive relationship, where y = x + 2.5.
• B. Table A is a multiplicative relationship, where y = 2.5x.
• C. Both A and B are correct.

3. Which equation best represents the relationship shown in the graph below?

• A. m = 60g
• B. g = 30m
• C. g = 60m
• D. m = 30g

4. The table below shows how much money Mrs. Broussard spends on her babysitter. Which equation best represents the relationship?

• A. d = h + 9
• B. h = 9d
• C. h = d + 9
• D. d = 9h

5. Which of the following situations is best represented by the equation y = x + 15?

• A. Each student begins the candy hunt with 15 pieces of candy in their bag.
• B. Emery earns $15 per hour babysitting.
• C. Joshua spent $15 of his money at the movie theater.
• D. Each homeroom class has at least 15 students.

6. Which of the following best represents the dependent quantities in the graph below?

• A. 2, 20, 4, 40
• B. 2, 4, 6, 8
• C. 20, 40, 60, 80
• D. 10, 20, 30, 40, 50

• A. 3 less than x
• B. 3 more than x
• C. 3 times as much as x
• D. the same as the value of x

8. Which of the following best represents the independent quantities in the table below?

• A. 2, 7.5, 3, 11.25
• B. 7.5, 11.25, 18.75, 30
• C. 2, 3, 5, 8
• D. 20, 30, 50, 80

9. Which of the following tables best represents the relationship between p and f in the equation p = f + 0.5?

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10. The following graph shows the relationship between the number of times a gear can rotate in a period of time. Which of the following statements is true?

• A. The number of rotations and the number of minutes are both independent quantities.
• B. The number of rotations is the dependent quantity and the number of minutes is the independent quantity.
• C. The number of rotations is the independent quantity and the number of minutes is the dependent quantity.
• D. The number of rotations and the number of minutes are both dependent quantities.