Linear functions

What is a linear function?

A mathematical function in which the variables appear only in the first degree, are multiplied by constants, and are combined only by addition and subtraction

Horizontal and vertical lines

A line parallel to the x-axis is called a horizontal line.

A line parallel to the y-axis is called a vertical line

There are three Linear function forms

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Solving and graphing standard form

Parallel and perpendicular lines

Graphing a function and its inverse