Constant of Proportionality

Front

What is the origin in a coordinate plane?

Back

The point (0, 0) is called the origin.

Front

How do you write the equation for a proportional table?

Back

Find k and plug into y = kx.

Front

What is the form of a proportional relationship equation?

Back

y = kx.

Front

Identify the constant of proportionality in the equation y = 2x.

Back

k = 2.

Front

Determine the constant of proportionality for the equation y = 30x.

Back

k = 30.

Front

What does the constant of proportionality represent?

Back

It represents the ratio of y to x in a proportional relationship.

Front

If y = 5x, what is the constant of proportionality?

Back

k = 5.

Front

What is a proportional relationship?

Back

A relationship where the ratio of y to x is constant.

Front

How can you tell if a table represents a proportional relationship?

Back

If the ratios of y to x are the same for all pairs.

Front

What is the graphical representation of a proportional relationship?

Back

A straight line that passes through the origin.