Proportional Relationships Test REVIEW

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

How do you find the constant of proportionality?

Back

The constant of proportionality can be found by dividing one quantity by the other in a proportional relationship.

Front

If 4 out of every 9 doctors are women, how do you calculate the number of women doctors if there are 126 doctors?

Back

Multiply 126 by the ratio of women doctors (4/9): 126 * (4/9) = 56 women doctors.

Front

What does the point (1, 50) mean on a distance-time graph?

Back

It means that after 1 hour, the car has traveled 50 miles.

Front

How do you determine the time it takes to travel a certain distance at a constant speed?

Back

Use the formula: Time = Distance / Speed.

Front

What is the equation of a line that represents a proportional relationship?

Back

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

Front

If a bird flies 35 meters in 10 seconds, what is its speed?

Back

Speed = Distance / Time = 35 meters / 10 seconds = 3.5 meters per second.

Front

How do you find the total distance traveled if you know the speed and time?

Back

Use the formula: Distance = Speed x Time.

Front

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

Back

It represents the rate at which one quantity changes in relation to another.

Front

If y = 8x, what is the value of y when x = 3?

Back

y = 8 * 3 = 24.