Question

What is the diameter of a circle with the equation (x + 6)2 + (y − 4)2 = 16?

Answer 1

d =8

Explanation:

(x + 6)2 + (y − 4)2 = 16

(x + 6)2 + (y − 4)2 = 4^2

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

so the radius is 4

2*r = diameter

2*4 = diameter

8 = diameter