Question

Give the center and radius of the circle x2+y2=25

A) (2,3)r=5
B) (0,0)r=5
C) (0,0)r=25
D) (3,2)r=25

Answer 1

(0,0) r=5

Explanation:

The guy above me

Answer 2

B) (0,0); r=5

Explanation:

A circle's standard form is (x-h)^2+(y-k)^2=r^2

The center is (h, k) and the radius is r.

So, here the center would be (0, 0) and the radius would be square root 25, or 5.