Understanding Proportional Relationships

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

Which equation represents a proportional relationship?

Back

Front

What does it mean if a line passes through the origin on a graph?

Back

If a line passes through the origin (0,0), it indicates a proportional relationship between the two variables.

Front

What is the constant of proportionality?

Back

Front

How can you determine if two quantities are proportional from a table?

Back

Two quantities are proportional if the ratios of corresponding values are equal.

Front

What is the equation of a line that is not proportional?

Back

Front

If the cost of apples is $2 per apple, what type of relationship is this?

Back

This describes a proportional relationship.

Front

What does a slope of a line represent in a proportional relationship?

Back

The slope represents the constant of proportionality between the two quantities.

Front

If a line is vertical, does it represent a proportional relationship?

Back

No, a vertical line does not represent a proportional relationship.

Front

What is the graphical representation of a proportional relationship?

Back

A proportional relationship is represented by a straight line that passes through the origin.