Proportions

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 means that when the value of one variable is zero, the value of the other variable is also zero, indicating a proportional relationship.

Front

What is the X-axis in a graph?

Back

The X-axis is the horizontal axis in a graph, usually used to represent the independent variable or categories.

Front

What is the Y-axis in a graph?

Back

The Y-axis is the vertical axis in a graph, usually used to represent the dependent variable.

Front

How can you tell if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of the values in the table are constant.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

How do you find the unit rate of 624 calories in 3 servings?

Back

To find the unit rate, divide 624 calories by 3 servings, which equals 208 calories per serving.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant ratio in a proportional relationship, often represented as 'k'.

Front

What does a straight line on a graph indicate?

Back

A straight line on a graph indicates a linear relationship, which can be proportional if it passes through the origin.

Front

What is the difference between proportional and non-proportional relationships?

Back

Proportional relationships have a constant ratio, while non-proportional relationships do not have a constant ratio.