Linear Functions Vocabulary Flashcard

Front

What is a linear function?

Back

A function whose graph is a straight line

Front

Equation of a linear function?

Back

y = mx + b

Front

What do intercepts represent on a graph?

Back

The point where the graph crosses the x or y-axis

Front

How are intercepts written?

Back

As ordered pairs

Front

What does the slope of a line describe?

Back

The steepness of the line

Front

What is the ratio used to calculate the slope?

Back

Change in y-values to change in x-values

Front

What does the positive inequality using x represent?

Back

The value of x when y > 0

Front

What does the negative inequality using x represent?

Back

The value of x when y < 0

Front

What does the domain of a function represent?

Back

All possible x-values

Front

How do we look at a graph to determine the domain?

Back

Left to right