CA#7 Review Advanced

The cost of buying a cookie from the cafeteria is $0.75. Which equation can be used to find t, the cost in dollars of buying c cookies?

• c = 0.75t

• c = t + 0.75

• t = 0.75c

• t = c + 0.75

The graph represents the linear relationship between the miles that Grayson has walked and the number of days she has walked.

Which of these statements is supported by the rate of change in this relationship?

• Grayson walked 2 miles in 4 days.

• Grayson walked 5 miles in 10 days.

• Grayson walked 10 miles in 5 days.

• Grayson doesn't walk.

Mr. Doggett buys boxes of pencils that have 150 pencils in each box. Which graph best represents y, the total number of pencils in x boxes?

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Which of the following statements shows the same relationship between the amount of time Dexter works and the amount of money he makes in the graph below?

• Dexter worked 6 hours and make 120 dollars

• Dexter worked 10 hours and made 150 dollars

• Dexter worked 2 hours and made 35 dollars

• Dexter worked 15 hours and made 100 dollars

The graph above shows the amount of miles traveled in a certain number of hours.

Which list shows the independent quantities?

• 100, 200, 300, 400, 500

• 50, 100, 150, 200, 250, 300

• 1, 2, 3, 4, 5

• What is traveling?

The cost of 3 pounds of brownies is $6.39. What is the constant of proportionality that relates the cost in dollars, y, to the number of pounds of brownies, x?

Which table shows only values that represent the following relationship between and ?

r = q + 11.2

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Select all of these that represent the distance a car travels when going 75 miles per hour?

• In 3 hours a car will travel a distance of 250 miles.

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• d=75t, where d represents miles and t represents time in hours.

Which statement about the quantities in the table above is true?

• The amount of water and the change in the height of the plants are both dependent quantities.

• The amount of water and the change in the height of the plants are both independent quantities.

• The amount of water is dependent quantity, and the change in the height of the plant is an independent quantity.

• The amount of water is independent quantity, and the change in the height of the plant is a dependent quantity.

Which equation correctly shows the graph above?

• y= x+10

• x=10y

• x=y+10

• y=10x