Proportional Relationships

Front

The constant of proportionality in the equation y = ½x is _______.

Back

1/2

Front

What is the equation y=kx for the table?

Back

y=3x

Front

A proportional graph is a straight line through the ______.

Back

origin.

Front

Does the table represent a proportional relationship?

Back

No.

Front

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

Back

y = kx

Front

What does the constant of proportionality (k) represent in a proportional relationship?

Back

It represents the ratio of y to x.

Front

If y = 4x, what is the constant of proportionality?

Back

4

Front

What is the graphical representation of a proportional relationship?

Back

A straight line that passes through the origin.

Front

If a table shows the values (2, 6), (4, 12), (6, 18), does it represent a proportional relationship?

Back

Yes.

Front

What is the formula to find the constant of proportionality from a table?

Back

k = y/x for any pair of (x, y).