Proportional Relationships from Tables Graphs and Equations

Kenny is practicing for at typing test. The number of words he can type is proportional to the number of minutes he types. If Kenny types for 280 words, how many minutes did it take him?

Kenny is practicing for at typing test. The number of words he can type is proportional to the number of minutes he types. If Kenny types for 18 minutes, how many words will he be able to type?

Water runs from a hose into a bucket at a steady rate. The amount of water in the bucket for the time it is being filled is shown in the graph.

Select all TRUE statements.

• 5 gallons of water filled in 12 seconds.

• 1 gallon of water filled in 2.2 seconds.

• It takes 2.4 seconds to fill 1 gallon.

• It takes 18 seconds to fill 7.5 gallons.

Select all true statements about proportional relationships.

• A proportional relationship's graph will go through the origin.

• A proportional relationship's equation will have addition or subtraction.

• A proportional relationship's equation will have multiplication.

• A proportional relationship's table of data will be full of equivalent ratios.

• A proportional relationship has a contant of proportionality.

Water runs from a hose into a bucket at a steady rate. The amount of water in the bucket for the time it is being filled is shown in the graph.

What does the point (12,5) tell you about the water in the bucket?

• In 12 seconds there is 5 gallons in the bucket.

• In 5 seconds there is 12 gallons in the bucket.

Is vehicle u or v traveling at a faster rate?

• Vehicle u is traveling faster than vehicle v

• Vehicle v is traveling faster than vehicle u

Select all tables that show a proportional relationship.

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Elena went to a store where you can scoop your own popcorn and buy as much as you want. She bought 10 ounces of spicy popcorn for $2.50.

How much does popcorn cost per ounce?

Elena went to a store where you can scoop your own popcorn and buy as much as you want. She bought 10 ounces of spicy popcorn for $2.50. How much popcorn can you buy per dollar?

Select all graphs that show a proportional relationship.

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