SA 3.1 Retake

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

How do you find the unit rate?

Back

To find the unit rate, divide the quantity by the number of units. For example, if 5 pounds of apples cost 10 dollars, the unit rate is 5 pounds ÷ 10 dollars = 0.5 pounds per dollar.

Front

What does the equation y = kx represent?

Back

This equation represents a proportional relationship where k is the 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.

Front

How can you determine if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of corresponding values are constant.

Front

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

Back

The unit rate is 12 miles ÷ 3 hours = 4 miles per hour.

Front

Back

Front

What is the meaning of 'unit rate'?

Back

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

Front

If y = 4x, what is the value of y when x = 3?

Back

y = 4(3) = 12.

Front

What is the graph of a proportional relationship?

Back

The graph of a proportional relationship is a straight line that passes through the origin (0,0).