Math Proportional Relationships

Tell whether the given graph represents a proportional/direct variation.

• yes

• no

• no

• yes; y = 0.318x

• yes; y = 3.14x

Tell whether the given graph represents a proportional /direct variation relationship.

• yes

• no

• Proportional

• Non-proportional

Identify the constant of proportionality in the table.

Mathematical Equivalence

ON

Determine the missing value in the table.

What is the constant of proportionality?

What is the meaning of point A.

• It will cost $60 for 6 hours of electricity.

• It will cost $6 for 60 hours of electricity.

• It will cost $60 for 1 hour of electricity.

• It will cost $60 for 7 hours of electricity.