Linear Relationships - Vocabulary

Front

What is a relationship that produces a straight line when graphed?

Back

Linear relationship.

Front

What do we call quantities that have a constant ratio?

Back

Proportional.

Front

What are the points where a graphed relationship crosses an axis?

Back

Intercepts.

Front

What is the term for the steepness of a line in a graph?

Back

Slope.

Front

What do we call two ratios that express the same relationship?

Back

Equivalent ratios.

Front

What is the term for the change in the y-value divided by the change in the x-value in a linear relationship?

Back

Rate of change.

Front

What is the y-intercept of a linear equation?

Back

The point where the line crosses the y-axis.

Front

What is the x-intercept of a linear equation?

Back

The point where the line crosses the x-axis.

Front

What does it mean if a relationship is proportional?

Back

It means that the relationship passes through the origin and has a constant ratio.

Front

How can you determine the slope of a line from a graph?

Back

By calculating the rise over run between two points on the line.