Linear Functions and Their Features

Front

Linear

Back

Something that forms a straight line when graphed

Front

Variable

Back

A symbol, often a letter, that represents an unknown quantity in mathematical expressions and equations.

Front

Slope

Back

Slope is a number that describes how steep a line is. It tells you how much a line goes up or down as you move to the right.

Front

y-intercept

Back

The point where a graph crosses the y-axis. It happens when x=0.

Front

x-intercept

Back

The point where a graph crosses the x-axis. It happens when y=0. Also known as a ZERO

Front

What is the symbol for slope?

Back

m

Front

What is the symbol for the y-intercept?

Back

b

Front

List the key features of linear functions that can be identified on a graph.

Back

Slope, Y-intercept, X-intercept

Front

On what axis is the y-intercept?

Back

The y-axis or the vertical axis

Front

On what axis is the x-intercept?

Back

The x-axis or the horizontal axis