Proportional Relationships from Tables and Graphs

What number is missing in the table?

What is the constant of proportionality?

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?

Which equations below represent a proportional relationship? Select all that apply.

• c = 8.95t + 3

• c = 8.95t

Which of the following situations represents a proportional relationship?

• A pizza is $7.95 plus $1.00 for each topping

• A pool fills at a rate of 90 gallons per hour

• A health club charges a $40 membership fee plus $25 per month

• A bank account begins with $350 and gains $30 per month

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.

Select all graphs that show a proportional relationship.

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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.

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