Proportional Relationships Flashcard- Math 7

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 quantity is constant.

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second quantity is one unit.

Front

How do you find the unit rate of speed?

Back

To find the unit rate of speed, divide the total distance traveled by the total time taken.

Front

What does a proportional graph look like?

Back

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

Front

What is the equation of a proportional relationship?

Back

The equation of a proportional relationship can be expressed as y = kx, where k is the constant of proportionality.

Front

If a train travels 90 miles in 1 hour, what is its speed?

Back

The speed of the train is 90 miles per hour.

Front

How do you determine if a relationship is proportional from a table?

Back

A relationship is proportional if the ratios of corresponding values are constant.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities.

Front

If Dalila earns $108.75 for 15 hours of work, how much does she earn per hour?

Back

Dalila earns $7.25 per hour.

Front

If y = 5x, what is the value of y when x = 3?

Back

When x = 3, y = 15.