Proportional Relationship Missing Value

Determine the constant of proportionality for each table.

• 10

• 8

What is the constant of proportionality?

• 15

• 5

• 75

• 25

How do I find the constant?

• k = x/y

• k = 2x

• k = y/x

• k = 2y

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither

Which table shows a proportional relationship?

• A

• B

• C

• D

Find the missing value in the proportional relationship.

• 7

• 6

• 1

• 5

Find the missing value in the proportional relationship.

• 106

• 96

• 120

• 108

Find the missing value in the proportional relationship.

• 15

• 40

• 32

• 30

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.

If a truck went 210 miles in 2 hours, how far can you expect the truck to travel in 7 hours?

• 630 miles

• 840 miles

• 735 miles

• 105 miles