Constant of Proportionality Review

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant factor that relates two proportional quantities. It is often represented by 'k'.

Front

If Craig earns $37 for 4 hours, what is his hourly rate?

Back

$9.25 per hour.

Front

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

Back

'k' represents the constant of proportionality.

Front

What does it mean if a relationship is not proportional?

Back

It means that the ratio between the two quantities is not constant.

Front

How do you find the constant of proportionality from a table of values?

Back

Divide the output value by the input value for any pair of corresponding values.

Front

What is the constant of proportionality in the equation y = 14x?

Back

14.

Front

If a graph passes through the origin and is a straight line, what can be said about it?

Back

It represents a proportional relationship.

Front

What is the constant of proportionality if y = 3x?

Back

3.

Front

If a relationship is described by the equation y = 50, what is the constant of proportionality?

Back

none (not proportional).

Front

What is the constant of proportionality in the equation y = 2x + 3?

Back

2 (the relationship is not purely proportional due to the +3).