Proportional v. Non-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 is a non-proportional relationship?

Back

A non-proportional relationship is a relationship between two quantities where the ratio is not constant.

Front

How do you determine if a table represents a proportional relationship?

Back

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

Front

What is a unit rate?

Back

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

Front

If the unit rate is k = 3, what does this mean?

Back

This means that for every 1 unit of the first quantity, there are 3 units of the second quantity.

Front

What does a y-intercept of b = 1 indicate in a graph?

Back

A y-intercept of b = 1 indicates that the line crosses the y-axis at the point (0, 1).

Front

What does a y-intercept of b = -2 indicate in a graph?

Back

A y-intercept of b = -2 indicates that the line crosses the y-axis at the point (0, -2).

Front

How can you tell if a graph is proportional?

Back

A graph is proportional if it passes through the origin (0,0) and forms a straight line.

Front

What is the significance of the slope in a proportional relationship?

Back

In a proportional relationship, the slope represents the constant ratio between the two quantities.

Front

What does it mean if a graph is non-proportional?

Back

If a graph is non-proportional, it does not pass through the origin and may have a different slope.