Subscribe! Welcome, ladies and gentlemen. So what I'd like to do is show you how to determine the center and the radius of a circle when given an equation in standard form. And you can see that in our ...

Any point P with coordinates (\(x, y\)) on the circumference of a circle can be joined to the centre (0, 0) by a straight line that forms the hypotenuse of a right angle triangle with sides of length ...