which-equation-represents-the-unit-circle-centered-at-the-origin

Question

Which equation represents the unit circle centered at the origin?

Accepted Answer

$$x^2$$ + $$y^2 = 1$$

Answer

$$x^2$$ + $$y^2$$ = $$2^2$$

Answer

(x−$$1)^2 + (y$$−$$1)^2 = 1$$

Answer

x + y = 1