Proportional Relationship Review

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as 'k'. It remains constant for all pairs of values in a proportional relationship.

Front

Find the Unit Rate: 72 ounces for 12 servings.

Back

6 ounces per serving.

Front

What is the constant of proportionality in the equation y = 9x?

Back

k = 9.

Front

Solve the proportion: 15/3 = k/5.

Back

k = 5.

Front

What makes a graph proportional?

Back

A graph is proportional if it is a straight line that passes through the origin.

Front

If y = kx, what does 'k' represent?

Back

'k' represents the constant of proportionality.

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 unit rate of 150 miles in 3 hours?

Back

50 miles per hour.

Front

If a recipe calls for 4 cups of flour for 2 cakes, how much flour is needed for 5 cakes?

Back

10 cups of flour.

Front

What is the relationship between proportionality and direct variation?

Back

Direct variation is a specific type of proportional relationship where one variable is a constant multiple of another.