Proportionality

Is this table proportional? If it is, find the constant of proportionality.

• Not proportional

• Proportional, k=0.33 or 1/3

• Proportional, k=3

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Is this table proportional? If it is, find the constant of proportionality.

• Not proportional

• Proportional, k=12

• Proportional, k=0.83

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

y=-2x

Is this equation proportional? If it is, find the constant of proportionality.

• Not proportional

• Proportional, k=2

• Proportional, k=-2

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

y=1/4x + 2/3

Is this equation proportional? If it is, find the constant of proportionality.

• Not proportional

• Proportional, k=1/4

• Proportional, k=2/3

Tags

CCSS.7.RP.A.2

Is this graph proportional? If it is, find the constant of proportionality.

• Not proportional

• Proportional, k=1.5 or 3/2

• Proportional, k=0.67 or 2/3

Tags

CCSS.7.RP.A.2

Is this graph proportional? If it is, find the constant of proportionality.

• Not proportional

• Proportional, k=5

• Proportional, k=0.2

Tags

CCSS.7.RP.A.2

Adam runs for 30 minutes. His fitbit tells him he ran 3 miles.

Is this situation proportional?

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Erica runs for 30 minutes. Her fitbit tells her she burned 300 calories.

If this situation is proportional, find the constant of proportionality.

• Not proportional

• Proportional, k=0.1 calories per minute

• Proportional, k=10 calories per minute

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

A long distance phone call costs $2.50 then $0.30 per minute.

If this situation is proportional, find the constant of proportionality.

• Not proportional

• Proportional, k=$2.50 per minute

• Proportional, k=$0.30 per minute

• Proportional, k=$0.083 per minute

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the constant of proportionality for this table?

• Not proportional, so no k

• Proportional, k=2

• Proportional, k=1/2

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3