Proportional Tables and Graphs

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 is constant.

Front

What does it mean if a graph goes through the origin?

Back

If a graph goes through the origin, it indicates a proportional relationship between the variables.

Front

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

Back

The constant of proportionality is the value 'k' that represents the ratio of y to x.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total quantity by the number of units.

Front

What is the unit rate of 624 calories in 3 servings?

Back

208 calories per serving.

Front

What does a straight line on a graph indicate?

Back

A straight line indicates a constant rate of change, which can represent a proportional relationship.

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is when the ratio between two quantities is not constant.

Front

How can you tell if a graph is non-proportional?

Back

A graph is non-proportional if it does not pass through the origin.

Front

What are coordinates in a graph?

Back

Coordinates are pairs of numbers that define a point's position on a graph, usually written as (x, y).

Front

What does the coordinate (4,4) represent?

Back

The coordinate (4,4) represents a point where x = 4 and y = 4 on a graph.