Proportional Relationships

Front

What does k represent in the equation y = kx?

Back

k represents the constant of proportionality.

Front

What is the reciprocal of 7?

Back

The reciprocal of 7 is 1/7.

Front

What is the constant of proportionality?

Back

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

Front

Is this table proportional? (Example: x: 1, 2, 3; y: 2, 4, 6)

Back

Yes, this table is proportional because the ratio of y to x is constant.

Front

The Constant of Proportionality is also the Unit Rate. True or False?

Back

True.

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

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

Back

The constant of proportionality is 3.

Front

How do you determine if a set of points is proportional?

Back

You can determine if a set of points is proportional by checking if the ratios of y to x are the same for all points.

Front

What is the unit rate of 12 miles in 3 hours?

Back

The unit rate is 4 miles per hour.

Front

If the constant of proportionality is 5, what is y when x = 2?

Back

y = 5 * 2 = 10.