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 quantity is constant.

Front

How can you determine if two quantities are in a proportional relationship?

Back

You can determine if two quantities are in a proportional relationship by checking if the ratios of the quantities are equal.

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 a snail moves 2 feet in 4 hours, what is the unit rate of feet per hour?

Back

0.5 feet per hour.

Front

If a cyclist covers 45 miles in 3 hours, what is the unit rate?

Back

15 miles per hour.

Front

What does the slope of a graph represent in a proportional relationship?

Back

The slope represents the rate of change between the two quantities.

Front

Is the relationship between the number of cakes baked and the money earned by Latricia proportional?

Back

No, it is not proportional.

Front

What does it mean if a relationship is not proportional?

Back

It means that the ratio between the two quantities is not constant.

Front

In the statement 'Mr. Fernandez wants the soil to be 1 part sand to 5/2 parts compost', is this a proportional relationship?

Back

Yes, it is a proportional relationship.

Front

What is the significance of a unit rate in real-life situations?

Back

Unit rates help compare different quantities and understand the efficiency or speed of a process.