Learn how to graph the equation of a circle by completing the square. Completing the square will allow us to transform the ...
To find the equation of a circle when you know the radius and centre, use the formula \({(x - a)^2} + {(y - b)^2} = {r^2}\), where \((a,b)\) represents the centre of the circle, and \(r\) is the ...
Add your subjects to find the right study guides, track progress and keep everything in one place. Find the equation of a circle with radius 3 units and centre (0, 0). The radius, \(r = 3\) and \(r^2 ...