Question

Circle A has an equation of x2 + (y + 3)2 = 16. Where is the center of the circle located?

on the x-axis

in the third quadrant

on the y-axis

in the first quadrant

Answer 1

The standard equation is:

\(\Large \color{Black}{\Rightarrow (x - h)^2 + (y - b)^2 = r^2 }\)
(h,b) are center co-ordinates.
r is the radius.

Answer 2

center is (0,-3)

Answer 3

on the y-axis