A11 - Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities in the equation y = kx.

Front

If y = 3x, what is the constant of proportionality?

Back

3

Front

What does the graph of a proportional relationship look like?

Back

A straight line that passes through the origin (0,0).

Front

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

Back

The constant of proportionality.

Front

Is the relationship between hours worked and money earned proportional?

Back

Yes, if the amount earned increases consistently with the hours worked.

Front

If a table shows (1, 2), (2, 4), (3, 6), is it proportional?

Back

Yes, the constant of proportionality is 2.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per 1 unit.

Front

If 5 hours of work earns $150, what is the constant of proportionality?

Back

$30 per hour.

Front

How do you determine if a graph represents a proportional relationship?

Back

Check if the line is straight and passes through the origin.

Front

What is the unit rate for the equation y = 4x?

Back

4.