Proportional or Not?

Front

What is the equation for a proportional relationship?

Back

y = kx

Front

What is the constant of proportionality in the equation y = 3x?

Back

3

Front

Does the table below represent a proportional relationship? x: 1, 2, 3 y: 2, 4, 6

Back

Yes

Front

What does it mean if a graph does not go through the origin?

Back

It indicates a non-proportional relationship.

Front

What is a proportional relationship?

Back

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

Front

If y = 5 when x = 1, what is y when x = 3 in a proportional relationship?

Back

y = 15

Front

What is the definition of constant of proportionality?

Back

The constant ratio in a proportional relationship, represented by k.

Front

If a table shows the values: x: 1, 2, 3 y: 3, 6, 9, is it proportional?

Back

Yes, the constant of proportionality is 3.

Front

What is the relationship between x and y in the equation y = 2x + 1?

Back

It is not proportional because it does not pass through the origin.

Front

How can you determine if a relationship is proportional from a graph?

Back

Check if the line passes through the origin.