Constant of Proportionality

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

A box of cereal costs $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.

Back

12 cents

Front

In the equation y=kx, what does the k represent?

Back

constant of proportionality

Front

Write an equation for this relationship: If y increases by 18.50 for every x, what is the equation?

Back

y=18.50x

Front

What is the definition of the constant of proportionality?

Back

The constant of proportionality is the constant ratio between two proportional quantities, represented by k in the equation y=kx.

Front

If the unit rate of a quantity is 5, what is the constant of proportionality?

Back

5

Front

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

Back

Divide the total amount by the number of units.

Front

If y=10x, what is the constant of proportionality?

Back

10

Front

What is the relationship between the constant of proportionality and the slope of a line in a graph?

Back

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