Find Constant of Proportionality

The student showed how this is proportional.

What is the constant rate of change? Always reduce fractions!

y/x

• $2 per movie

• 2 movies per dollar

• 10 movies for $5

• $5 per movie

Tags

CCSS.7.RP.A.2D

The student showed how this is proportional.

What is the constant rate of change? Always reduce fractions!

y/x

• 1

• 2

• 6

• 1/6

Tags

CCSS.7.RP.A.2B

The student showed how this is proportional.

What is the constant rate of change? Always reduce fractions!

y/x

• 1/3

• 3

• 6

• 6/2

Tags

CCSS.7.RP.A.2B

The student showed how this is NOT proportional.

What ratio didn't belong?

• 15/1

• 30/2

• 48/3

Tags

CCSS.7.RP.A.2A

The student showed how this is proportional.

What is the constant rate of change? Always reduce fractions!

y/x

• 5

• 6

• 30

• 8

Tags

CCSS.7.RP.A.2B

The student showed how this is proportional.

What is the constant rate of change? Always reduce fractions!

y/x

• 10

• 15

• 1/10

• 1/15

Tags

CCSS.7.RP.A.2B

You can find the constant of proportionality (k) by doing:

• k= y / x

• k = x / y

• k = x + y

• k = x - y

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality for the table?

• 3

• 1/2

• 4

Tags

CCSS.7.RP.A.2B

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

Tags

CCSS.7.RP.A.2B