Proportional Equations

Front

What is a proportional equation?

Back

A proportional equation is an equation that shows a constant ratio between two quantities, often expressed in the form y = kx, where k is the constant of proportionality.

Front

If a runner runs at a speed of 3 meters per second, how far will they run in 72 seconds?

Back

216 meters

Front

How do you calculate the total cost for a subscription service that charges a monthly fee?

Back

Multiply the monthly fee by the number of months. For example, $12 per month for 14 months is $12 x 14 = $168.

Front

What is the formula to find distance when speed and time are known?

Back

Distance = Speed x Time.

Front

If Mrs. Edwards drives at a speed of 35 miles per hour, what equation represents the distance she can travel in x hours?

Back

M = 35x

Front

How do you find the speed of an object if you know the distance it traveled and the time it took?

Back

Speed = Distance / Time.

Front

If a runner can run 24 meters in 8 seconds, what is their speed in meters per second?

Back

3 meters per second

Front

What is the total cost for 5 months of a service that costs $12 per month?

Back

$60

Front

What does the constant of proportionality represent in a proportional relationship?

Back

It represents the ratio between the two quantities, indicating how much one quantity changes in relation to the other.

Front

If a car travels 60 miles in 1 hour, how far will it travel in 3 hours?

Back

180 miles (60 miles/hour x 3 hours).