Comparing Proportional Relationships

Front

What makes a graph not proportional?

Back

Does not pass through (0,0)

Front

What equation can represent Maria's hourly earnings if she makes $15 an hour?

Back

y = 15x

Front

Where can you find plums at the same price as the grocery store?

Back

Farmer's Market

Front

What are the characteristics of a proportional graph?

Back

Linear and the line goes through the origin

Front

Identify the constant of proportionality in the equation y = 7x.

Back

7

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.

Front

How do you find the unit rate in a proportional relationship?

Back

Divide the total amount by the number of units.

Front

What does it mean if a graph is linear?

Back

It means the relationship between the variables can be represented by a straight line.

Front

What is the constant of proportionality in the equation y = kx?

Back

k is the constant of proportionality.

Front

How can you tell if two ratios are proportional?

Back

If the cross products are equal.