Question

Find the radius of the circle.
3(x – 5)2 + 3(y + 9)2 = 48

Answer 1

4 units

Explanation:

3(x – 5)2 + 3(y + 9)2 = 48

(x - 5)^2 + (y +9)^2 = 16

radius = root(16) = 4