Constant of Proportionality Review

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value that relates two proportional quantities, often represented as k in the equation y = kx.

Front

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

Back

To find the constant of proportionality from a table, divide the value of y by the corresponding value of x for any pair of values.

Front

What does the constant of proportionality represent in a real-world context?

Back

In a real-world context, the constant of proportionality represents the rate or unit cost, such as price per pound.

Front

If y = 5x, what is the constant of proportionality?

Back

The constant of proportionality is 5.

Front

What is the equation of a proportional relationship?

Back

The equation of a proportional relationship is in the form y = kx, where k is the constant of proportionality.

Front

How can you tell if a relationship is proportional?

Back

A relationship is proportional if the ratio of y to x is constant for all pairs of values.

Front

What is the constant of proportionality for the equation y = 2.5x?

Back

The constant of proportionality is 2.5.

Front

If the cost of 1 pound of apples is $3, what is the total cost for x pounds?

Back

The total cost is represented by the equation y = 3x.

Front

In the equation y = 4.3x, what does 4.3 represent?

Back

4.3 represents the cost of 1 pound of apples.

Front

What is the constant of proportionality for the table: (1, 3), (2, 6), (3, 9)?

Back

The constant of proportionality is 3.