Interpreting Graphs of Proportional Relationships

What is the cost for 6 months of the streaming movie subscription?

• $45.00

• $49.99

• $47.90

• $50.00

How is the constant of proportionality calculated in the subscription example?

• By adding the total cost and the number of months

• By multiplying the total cost by the number of months

• By subtracting the number of months from the total cost

• By dividing the total cost by the number of months

What does the constant of proportionality tell us in the context of the subscription?

• The total cost for a year

• The total cost for 6 months

• The total number of months

• The monthly service charge

Which of the following is a correct point to add to the graph?

• (3, 23.97)

• (4, 31.96)

• (2, 15.98)

• (1, 7.99)

What is the equation representing the relationship between the total cost (c) and the number of months (m)?

• c = 7.99 + m

• c = 7.99 / m

• c = 7.99 * m

• c = 7.99 - m

In the granola mix example, how many grams of almonds are there for one cup of oats?

• 30 grams

• 25 grams

• 35 grams

• 20 grams

What does the value of k represent in the granola mix example?

• The number of cups of oats

• The number of servings

• The number of grams of almonds

• The total weight of the granola mix

In the friendship bracelet example, what is the relationship between the number of knots and the number of rows?

• The number of knots is equal to the number of rows

• The number of knots is double the number of rows

• The number of knots is a multiple of the number of rows

• The number of knots is half the number of rows

What information is needed to write an equation relating two quantities that have a proportional relationship?

• The total distance and the time taken

• The total number of items and the price per item

• The constant of proportionality and variables for the quantities

• The total cost and the number of months

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• To get a discount

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