Proportional Relationships Review

Which representation shows a proportional relationship? Select all that apply.

• A

• B

• C

The data set shows a proportional relationship. What is the constant ratio between y and x?

Troy is training for a wrestling tournament, and he eats eggs every day. The graph shows the total number of eggs Troy eats over a period of days. What is the constant of proportionality?

Mrs. Baker's 7th grade English class is making get well cards to donate to the local children's hospital. They make 189 cards in 3 hours. Which equation represents the relationship between the number of cards made (c) and number of hours (h), assuming they work at a constant rate?

The graph models the distance a bird flies after a given number of hours. What are the coordinates of point A, and what do they represent?

• (6,18) In 6 hours the bird can fly 18 miles.

• (6,18) In 18 hours the bird can fly 6 miles.

• (18,6) In 18 hours the bird can fly 6 miles.

• (18,6) In 6 hours the bird can fly 18 miles.

Shane wants to buy a new coat from his favorite department store. The current price of this coat is $240. On Tuesday, the store is taking 15% off of all coats. How much will Shane pay? (Assume no sales tax.)

• $36

• $204

• $276

• $3600