Question

a) Find the center-radius form of the equation of the circle with center (0,0) and radius 12.
b) Graph the circle.
a) The center-radius form of the equation of the circle is
(Type an equation.)

Answer 1

Answer:

The general equation of circle is given by:

(x-h)² + (y-k)² = r², where, (h,k) is the center and 'r' is the radius of circle.

Here, (h , k) = (0, 0) and r = 12

∴ Equation of circle is (x-0)² + (y-0)² = 12²

or, x² + y² =144