Circle with Centre (h,k) and Radius r (Leaving Cert Mathematics): Quizzes

$(x - h)^2 + (y - k)^2 = r^2$

$(5, 2)$

$(-3, 4)$

$(x - 2)^2 + (y + 3)^2 = 25$

$r = 4$

$2\sqrt{2}$

$2\sqrt{2}$

The radius squared

$(x - 1)^2 + (y - 3)^2 = 8$

All points are equidistant from centre

$-5$

Sign mistakes