Proportional Relationships

Front

A proportional relationship can be written as an equation in the form ____ = _____  _____

Back

y = kx

Front

The constant of proportionality can be found by finding the __________  _____________.

Back

unit rate

Front

On Saturday, Dr. Morrison drove 340 miles in 5 hours. On Sunday, he drove 198 in 3 hours. Which statement is true?

Back

His rate on Sunday was 2 miles per hour slower than his rate on Saturday.

Front

Write an equation for this relationship: If y is 5 times x, what is the equation?

Back

y=5x

Front

A store sees 120 customers in 8 hours. What is the constant of proportionality?

Back

15 customers per hour

Front

What is a proportional relationship?

Back

A relationship where two quantities increase or decrease at the same rate.

Front

Define constant of proportionality.

Back

The constant ratio between two proportional quantities, often represented as 'k'.

Front

If y = kx, what does 'k' represent?

Back

The constant of proportionality.

Front

How do you find the unit rate from a proportional relationship?

Back

Divide the total quantity by the total time or number of items.

Front

If a car travels 300 miles in 5 hours, what is the speed in miles per hour?

Back

60 miles per hour.