This precalculus video tutorial provides a basic introduction into linear functions. It contains plenty of examples and practice problems.

Test your understanding of Linear equations, functions, & graphs with these 22 questions.

A linear equation is an equation for a straight line. Let us look more closely at one example: The graph of y = 2x+1 is a straight line. And so:

Aug 21, 2025 · Understanding how to graph linear functions is a key Algebra 1 skill. In this guide, we’ll explain what linear functions are, how to graph them, and how slope and intercepts work—complete …

There are several ways to represent a linear function, including word form, function notation, tabular form, and graphical form. We will describe the train’s motion as a function using each method.

Study the propertie of linear functions, including the graph and the slope through examples and an interactive app. The applications of linear functions in electronics, physics, economics, ... are also …

There are four forms that are used to represent a function: word form, equation (function) form, table form, and graph form. Through this tutorial, we will see how these are connected when the situation …

Linear Functions Instructions The introductory videos below explain the concepts in this section. This page includes exercises that you should attempt to solve yourself. You can check your answers and …

Learn what linear functions are in Maths, their formulas, graphs, solved examples, and real-life applications. Sharpen your skills for exams with step-by-step explained solutions.

So, when we talk about "linear functions" here, we really mean "real valued linear functions of a single variable." (To see what a general real valued function of a single variable looks like, see the tutorial …