Proportional Relationships

is this proportional

• yes
• no

Does the table represent a proportional relationship?

• Yes.
• No.

Does the table represent a proportional relationship?

• Yes.
• No.

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

In the art room there are a total of 42 paintbrushes. 30 are large and the rest are small. What is the ratio of small paintbrushes to the total? (in simplest form)

• 30/42
• 12/42
• 2/7
• 7/2

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

Which graph is non-proportional?

• A
• B
• C
• D

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

Krogers is sellling apples, 10 for $2.50. How much is one apple?

• y=2.5x
• y=10x
• y=0.25x
• y=0.4x

Tags

CCSS.7.RP.A.2C

Ross walked 7 miles (y) in 2 hours (x). What is the constant of proportionality?

• 3.5 miles per hour
• 7/2 miles per hour
• 7.2 miles per hour
• 3 miles per hour

Tags

CCSS.7.RP.A.2B