Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as k in the equation y = kx.

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

How do you determine 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 does a proportional graph look like?

Back

A proportional graph is a straight line that passes through the origin (0,0).

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second quantity is one unit.

Front

If y = 4x, what is the constant of proportionality?

Back

The constant of proportionality is 4.

Front

How can you find the constant of proportionality from a graph?

Back

You can find the constant of proportionality by determining the slope of the line on the graph.

Front

What is an example of a proportional relationship in real life?

Back

An example of a proportional relationship is the cost of apples if they are sold at a fixed price per pound.

Front

If a car travels 60 miles in 1 hour, what is the constant of proportionality?

Back

The constant of proportionality is 60 miles per hour.

Front

What does it mean if a relationship is not proportional?

Back

A relationship is not proportional if the ratios of the quantities are not constant.