Unit 8 Acceleration

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

• A. c = 2.25g

• B. c = g + 2.25

• C. g = c + 2.25

• D. g = 2.25c

2. Which statement is not true in the equation

y = 0.5x?

A. The value of y is one-half times the value of x.

B. The equation represents an additive relationship.

C. The value of y is 4 when the value of x is 8.

D. The equation represents a multiplicative relationship.

• A. The value of y is one-half times the value of x

• B. The equation represents an additive relationship.

• C. The value of y is 4 when the value of x is 8.

• D. The equation represents a multiplicative relationship.

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

A. m = 60g B. g = 30m

C. g = 60m D. m = 30g

• 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

• 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.

• 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. 2, 20, 4, 40

• B. 2, 4, 6, 8

• C. 20, 40, 60, 80

• D. 10, 20, 30, 40, 50

7. Which statement best describes the relationship between x and y in the equation

y = 3x?

A. The value of y is three less than the value

of x.

B. The value of y is three times the value of x.

C. The value of x is three more than the value of y.

D. The value of y is three more than the value of x.

• A. The value of y is three less than the value

  of x.

• B. The value of y is three times the value of x.

• C. The value of x is three more than the value of y.

• D. The value of y is three more than 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

• 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?

• A

• B

• C

• D

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.

• 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.