Constant of Proportionality Review

Front

What is the constant of proportionality?

Back

The constant of proportionality is a constant ratio or unit rate in a proportional relationship, representing how one quantity changes in relation to another.

Front

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

Back

k represents the constant of proportionality, indicating the rate at which y changes with respect to x.

Front

If a table shows that 3 hours corresponds to $27, what is the constant of proportionality?

Back

$9 per hour.

Front

How do you find the constant of proportionality from a graph?

Back

Identify the slope of the line, which represents the constant of proportionality.

Front

What is the constant of proportionality for the equation y = 5x?

Back

5.

Front

If you buy 10 items for $50, what is the unit cost per item?

Back

$5 per item.

Front

What is the constant of proportionality for the table showing 4 apples for $2?

Back

$0.50 per apple.

Front

In a proportional relationship, if x doubles, what happens to y?

Back

y also doubles.

Front

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

Back

3 (the constant of proportionality is the coefficient of x).

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the constant of proportionality for flour to sugar?

Back

2/3.