Your Go-To Resource for Graphs and Charts
The vertical line test is one of the most important tools in graphing because it answers a fundamental question: does a graph represent a function? When students search for the vertical line test, they are usually trying to understand how to identify functions by looking at a graph rather than by manipulating equations. This article … Read more
When you want to visualize the relationship between three variables in a single, easy-to-read graph, a bubble chart is one of the best tools to use. This chart type expands on a traditional scatter plot by adding a third dimension through bubble size, giving your data more depth and context. From comparing sales performance to … Read more
An area chart is a popular data visualization tool that shows how values change over time and emphasizes the magnitude of those changes. It looks similar to a line chart, but the space beneath the line is filled with color to highlight volume. In this guide, you’ll learn what an area chart is, see practical … Read more
Graph of linear function: the graph of a linear function is one of the most fundamental concepts in algebra and coordinate geometry. It shows how a straight-line relationship between two variables can be represented visually on a coordinate plane. Understanding how to plot and interpret a linear function and graph helps students and professionals analyze … Read more
Learning to make a scatter graph is an essential skill for anyone working with data. Scatter graphs are used to show the relationship between two numerical variables. In this guide, you’ll learn exactly how to create a scatter chart in Excel, Google Sheets, and LibreOffice Calc, with step-by-step examples and tips for accuracy. What Is … Read more
A scatter chart (also known as a scatter plot or scatter graph) is a powerful tool used to visualize the relationship between two numerical variables. It helps you quickly identify trends, clusters, and correlations in data. In this guide, you’ll learn how to create and interpret scatter charts, explore scatter chart examples, and understand how … Read more
The arctan graph represents the inverse of the tangent function, showing the relationship between tangent values and their corresponding angles. The arctan function, written as y = arctan x or y = tan⁻¹x, gives the angle whose tangent is x. Because the tangent function is not one-to-one over its full domain, the arctan graph is … Read more
The arcsin graph represents the inverse of the sine function, showing the relationship between sine values and their corresponding angles. The arcsin function, written as y = arcsin x or y = sin⁻¹x, gives the angle whose sine is x. Because the sine function is not one-to-one over all real numbers, it must be restricted … Read more
The arccos graph represents the inverse of the cosine function. It shows how the cosine function can be reversed to find the angle that corresponds to a given cosine value. As one of the most important inverse trigonometric functions, arccos (also written as y = arccos x) has a unique shape and limited domain that … Read more
A histogram chart is a powerful way to visualize how data is distributed across different ranges or intervals. Unlike a bar chart that compares categories, a histogram groups numerical data into continuous intervals. This makes it ideal for analyzing frequencies and spotting trends in datasets. In this guide, you’ll learn the histogram definition and see … Read more