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, often represented in the equation y = kx.

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 is the equation for a proportional relationship?

Back

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

Front

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

Back

The constant of proportionality is 3.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

How do you find the unit rate from a total?

Back

To find the unit rate, divide the total quantity by the number of units.

Front

If 624 calories are consumed in 3 servings, how many calories are in one serving?

Back

208 calories per serving.

Front

What does the equation c = 3.5p represent?

Back

This equation represents the cost (c) of potato salad based on its weight in pounds (p), where 3.5 is the cost per pound.

Front

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

Back

The slope of the line in a proportional relationship graph represents the constant of proportionality.