Proportional Relationships

Front

What is a proportional relationship?

Back

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 ratio in a proportional relationship, often represented as 'k'.

Front

How do you find the constant of proportionality from meters to kilometers?

Back

Divide the number of meters by 1,000.

Front

If y is directly proportional to x, what is the equation that represents this relationship?

Back

y = kx, where k is the constant of proportionality.

Front

What is the reciprocal of a number?

Back

The reciprocal of a number 'a' is 1/a.

Front

If a recipe calls for 2 cups of sugar for every 5 cups of flour, what is the constant of proportionality?

Back

The constant of proportionality is 2/5.

Front

How do you express a proportional relationship in an equation?

Back

By using the form y = kx, where k is the constant of proportionality.

Front

What is the relationship between weight and number of blocks if each block weighs 28 pounds?

Back

The relationship is w = 28b, where w is weight and b is the number of blocks.

Front

If 16 tablespoons of honey are needed for 20 cups of flour, how many tablespoons are needed for 1 cup?

Back

0.8 tablespoons.

Front

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

Back

The relationship between distance and time when driving at a constant speed.