Question

What is the center and radius of the circle (x + 4)2 + (y + 6)2 = 64?

Answer 1

Answer:

center : (-4, -6),  radius = 8

Step-by-step explanation:

Recall the formula for circle

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

so

center  (-4, -6)

r = root(64) = 8