# Equation to graph a circle

follow these steps: Realize that the circle is centered at the origin (no h and v) and place this point there. Calculate the radius by solving for r. Set r -squared = 16. In this case, you

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## How To Graph A Circle

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.

## The Circle in Standard Form

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## Circle Equations

A circle can be thought of as a graphed line that curves in both its x x and y y values. This may sound obvious, but consider this equation: y = x2 + 4 y = x 2 + 4 Here the x x value alone is

## Algebra II : Graphing Circle Functions

How to Plot a Circle by Hand 1. Plot the center (a,b) 2. Plot 4 points radius away from the center in the up, down, left and right direction 3. Sketch it in! Example: Plot (x−4) 2 + (y−2) 2 = 25 The formula for a circle is (x−a)2 + (y−b)2 = r2 So

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