Question

What is the center of (x + 1)2 + (y - 3)2 = 9?

Question 10 options:

(-1, 3)

(1, 3)

(1, -3)

(-1, -3)

Answer 1

the equation of a circle with center at (h,k) is
(x-h)^2+(y-k)^2=radius^2

given
(x-(-1))^2+(y-3)^2=9
center is (-1,3)

first option