Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

Interactive, free online graphing calculator from GeoGebra: graph functions, plot data, drag sliders, and much more!

The most common graphs name the input value x and the output value y, and we say y is a function of x, or y = f (x) when the function is named f. The graph of the function is the set of all points (x, y) in the …

This step-by-step guide teaches you how to graph a function in 3 easy steps and how to express a function on a graph. This guide on how to graph a function includes a detailed explanation and …

To plot a function just type it into the function box. Use "x" as the variable like this: To zoom, use the zoom slider. To the left zooms in, to the right zooms out. When you let go of the slider it goes back to …

In science, engineering, technology, finance, and other areas, graphs are tools used for many purposes. In the simplest case one variable is plotted as a function of another, typically using rectangular axes; …

Jul 23, 2025 · By plotting different points (where you input different values for x, calculate y, and mark them on the graph), you'll see a line or curve that represents the function.

Jun 4, 2025 · In the last section we learned how to determine if a relation is a function. The relations we looked at were expressed as a set of ordered pairs, a mapping or an equation. We will now look at …

Feb 24, 2025 · A graph of a function is a visual representation of a function's behavior on an x-y plane. Graphs help us understand different aspects of the function, which would be difficult to understand …

Graphing functions is a foundational skill in algebra and beyond. Whether you’re analyzing real-world relationships, solving systems of equations, or preparing for calculus, understanding how to visualize …