Comparing 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

What does it mean if a graph does not pass through (0,0)?

Back

If a graph does not pass through (0,0), it indicates that the relationship is not proportional.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

How can you tell if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of the corresponding values are constant.

Front

What is the equation of a proportional relationship?

Back

The equation of a proportional relationship can be expressed in the form y = kx, where k is the constant of proportionality.

Front

What does a straight line through the origin indicate on a graph?

Back

A straight line through the origin indicates a proportional relationship between the two variables.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates the two variables in a proportional relationship.

Front

Is the equation y = 14x proportional?

Back

Yes, the equation y = 14x is proportional because it can be expressed in the form y = kx.

Front

What does it mean for a relationship to be non-proportional?

Back

A non-proportional relationship does not have a constant ratio between the two quantities.

Front

How do you find the unit rate from a table?

Back

To find the unit rate from a table, divide the value of one quantity by the corresponding value of the other quantity.