Test Proportional Ratios

Do these ratios have a proportional relationship? (Test for proportionality using at least two of the five ways we learned.)

• Yes, these ratios are proportional.

• No, these ratios are not proportional.

Do these ratios have a proportional relationship? (Test for proportionality using at least two of the five ways we learned.)

• Yes, these ratios are proportional.

• No, these ratios are not proportional.

Do these ratios have a proportional relationship? (Test for proportionality using at least two of the five ways we learned.)

• Yes, these ratios are proportional.

• No, these ratios are not proportional.

Do these ratios have a proportional relationship? (Test for proportionality using at least two of the five ways we learned.)

• Yes, these ratios are proportional.

• No, these ratios are not proportional.

Is this pair of ratios proportional?

• yes

• no

Is the pair of ratios proportional?

• yes

• no

Are the two ratios proportional?

• YES

• NO

The amount of eggs and the cups of cream needed to make egg nog have a proportional relationship. Complete the table.

• 5/1 & 5/1

• 10/2 & 25/5

• 1/5 & 1/5

• 2/10 & 5/25

An elevator moves at a constant rate of 18 feet in 3 seconds. A second elevator moves at a constant rate of 40 feet in 5 seconds.

The situation ​ ​ (a)   a proportional relationship because ​ (b)  

• does not represent

• the ratios are different

• represents

• the ratios are equivalent

Find the missing value in the proportional relationship.

• 7

• 6

• 1

• 5