3/3- Constant of Proportionality

Front

What is the constant of proportionality in the equation y = ½x?

Back

1/2

Front

Which equation is NOT proportional?

Back

y = 2x - 3

Front

Which equation matches the constant of proportionality?

Back

y = kx

Front

What does k represent in the equation y = kx?

Back

the constant of proportionality

Front

Identify the constant of proportionality: k = 2, k = 4, k = 1/2, k = 1/4, none (not proportional)

Back

none (not proportional)

Front

Define constant of proportionality.

Back

A constant ratio between two variables that are directly proportional.

Front

If y = kx, what happens to y if k is doubled?

Back

y will also double.

Front

What is the relationship between x and y in a proportional relationship?

Back

As x increases, y increases at a constant rate.

Front

Give an example of a proportional relationship in real life.

Back

The cost of apples per pound is a proportional relationship.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x.