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

A circle is easy to make: Draw a curve that is radius away from a central point. And so: All points are the same distance from the center. x2 + y2 = 52.

Oct 21, 2025 · This equation states that for any point on the circle, the sum of the squares of the coordinates x and y will equal the square of the radius, ensuring that every point is exactly r units …

To graph a circle, read the coordinates of the centre, (a,b) and the radius, r from the circle equation (𝑥 – a)2 + (y – b)2 = r2. First plot the centre coordinates and from here, use the radius length to find the …

Free equation of a circle calculator. Convert between standard form (x-h)²+ (y-k)²=r², general form, and parametric equations. Find center, radius, and graph circles instantly with step-by-step solutions.

The following applet was designed to help you see the relationship between the equation of a circle and its graph. Adjust the sliders "h", "k", and "r" (one at at time), and observe what happens to the graph …

This step-by-step guide will teach you how to graph a circle on the coordinate plane and how to graph the equation of a circle. The how to graph a circle guide includes step-by-step instructions and three …

Jan 11, 2023 · Learn how to graph a circle in 4 easy steps and how to use the equation of a circle. Want to watch the video and learn to plot a circle on a graph step-by-step?

Equation of a cirle. How to express the standard form equation of a circle of a given radius. Practice problems with worked out solutions, pictures and illustrations.

Given the standard form equation of a circle, graph the circle. For example, graph the circle whose equation is (x+5)²+ (y+2)²=4.