6.6C

Which graph represents the relationship between x and y in the equation y = 3x?

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Which graph best represents the relationship between x and y in the equation y = 3.5x?

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At a bookstore the total cost of 6 books is $45.00. Each book costs the same amount. Which table shows the relationship between the number of books bought and the total cost in dollars?

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Which situation can be represented by the equation y = 12x?

• Victoria went to school for x years. This is 12 times y, the number of years her brother went to school.

• Victoria spent x dollars to buy a gift for her brother. She gave the cashier y dollars and received $12 in change.

• Victoria has y dollars. This amount is 12 times x, the amount of money in dollars Victoria's brother has.

• Victoria is y years old. Her age is 12 years greater than x, her brother's age in years.

The owner of a food cart sells an average of 120 frozen treats per day during the summer. Which graph best shows this relationship between the number of days and the number of frozen treats sold?

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A carpenter charges $720 for 18 hours of work. She charges the same amount of money for each hour of work. Which table shows the relationship between the amount of time the carpenter works and the amount of money she charges?

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Which situation can be represented by the equation y = 74x?

• A company uses a total of y gallons of water at a rate of 74 gallons per hour for x hours.

• A restaurant serves a total of y meals in one day, in which 74 meals are served during the first hour and x meals are served during the remaining hours.

• A company manufactures a total of 74 drinking glasses every hour, with x of the glasses made of clear glass and y of them made of blue glass.

• A restaurant prepares a total of y batches of pizza sauce from 74 pounds of tomatoes, with each batch weighing x pounds.

The graph shows the number of points, y, a player earns in a balloon game based on the number of balloons the player pops, x. Which equation best represents the relationship between x and y?

• y = x + 25

• x = y + 25

• x = 25y

• y = 25x

Mr. Martinez asked his students to write a situation that could describe the relationship between all the values of x and y in the table. Which situation best describes the relationship between all the values of x and y in the table?

• Rachel had six dollars and then started to save one dollar each week.

• Beatriz ran one mile the first week and one mile each week after that.

• James read zero books in six months and then started to read one book each week.

• Marion has six times the number of toy trains that Tony has.

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