Question

Find the radius of the circle defined by the equation below. x^2 + y^2 - 10x + 4y - 52 = 0

Answer 1

First, let's illustrate the final goal... our goal is to rewrite this whole equation in this form
(x - h)² + (y - k)² = r²
This form is convenient, as it tells you where the centre of the circle is located (h , k)
And what the radius is, (r)