Analyze Proportional Relationships and Their Applications

Front

What is a proportional relationship?

Back

A proportional relationship is when two quantities, x and y, are related such that y is always a constant multiple of x.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the value of the ratio y/x for two proportional quantities x and y.

Front

How can you identify a proportional relationship in a graph?

Back

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

Front

What is the equation that relates weight (w) to price (p) if the constant of proportionality is 0.45?

Back

p = 0.45w.

Front

If Adam buys a 3.5-oz container of mealworms for $8.75, what is the price per ounce?

Back

The price per ounce is $2.50.

Front

If Marco buys a 3.75-oz container of mealworms for $9.75, what is the price per ounce?

Back

The price per ounce is $2.60.

Front

Which container is the better deal: Adam's or Marco's?

Back

Adam's container is the better deal.

Front

What does it mean if two quantities have an inverse relationship?

Back

In an inverse relationship, as one quantity increases, the other quantity decreases.

Front

What is an example of a linear relationship?

Back

A linear relationship is when the graph of the relationship forms a straight line.

Front

What is the difference between a proportional relationship and a linear relationship?

Back

A proportional relationship passes through the origin, while a linear relationship may not.