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 the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities in the equation y = kx.

Front

How can you identify if a relationship is proportional from a table?

Back

A relationship is proportional if the ratios of corresponding values are equal.

Front

What does the equation y = kx represent?

Back

The equation y = kx represents a proportional relationship where y is directly proportional to x with k as the constant of proportionality.

Front

If y = 3x, what is the constant of proportionality?

Back

The constant of proportionality is 3.

Front

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

Back

The constant of proportionality can be found by determining the slope of the line in a graph of a proportional relationship.

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.

Front

If Miguel saves $15 per month, how much will he save in 6 months?

Back

Miguel will save $90 in 6 months.

Front

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

Back

The slope of the line in a proportional relationship is equal to the constant of proportionality.

Front

How can you express a proportional relationship in an equation?

Back

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