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' in the equation y = kx.

Front

How do you find the unit rate?

Back

Divide the quantity by the number of units to find the rate per one unit.

Front

What does the equation y = kx represent?

Back

It represents a linear relationship where y is directly proportional to x.

Front

If a car travels 120 miles in 2 hours, what is the unit rate?

Back

60 miles per hour.

Front

What is the unit rate if the rate is 30 laps for 10 minutes?

Back

3 laps per minute.

Front

How can you determine if two quantities are proportional?

Back

If the ratios of the two quantities are equivalent, they are proportional.

Front

What is the unit rate for 80 miles in 1 hour?

Back

80 miles per hour.

Front

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

Back

3.

Front

What does it mean if a table shows a proportional relationship?

Back

The values in the table maintain a constant ratio.