Proportional Relationships

What variable represents the constant of proportionality?

What equation is used to represent a proportional relationship?

What ratio is used to find the constant of proportionality?

What is the constant of proportionality in the equation $$y=2.4x$$ ?

The equation $$y=3.5x-2$$ represents a proportional relationship.

Which two characteristics are found in a graph that represents a proportional relationship?

600,000 gallons of water pass through a given point along a river every minute. Which equation represents the amount of water, y, that passes through the point in x minutes?

Ana runs $$\frac{3}{4}$$ mile in $$6$$ minutes, or $$\frac{1}{10}$$ hour. Assuming she runs at a constant rate, what is her speed in miles per hour?

Put your answer in as a fraction or mixed number.

Ann's car can travel 228 miles on 6 gallons of gas.

The equation (a)   can be used to represent the distance, y, in miles Ann's car can travel on x gallons of gas.

If Ann's car used 7 gallons of gas during a trip, then Ann traveled (b)   miles.

A trail mix recipe includes granola, oats, and almonds. There are 135 calories in a $$\frac{1}{4}$$ cup serving of the trail mix. How many calories are in 2 cups of trail mix?