Answer:
Step-by-step explanation:
The general equation of a circle with center at (h, k) and radius r is
(x - h)^2 + (y - k)^2 = r^2. You seem to be referring to "the y-coordinate of the center of the circle," that is, h in (h, k).
Yes, if you move a circle vertically, the y-coordinate of the center changes.
It's unclear what you're asking for help with. Please try to be more specific next time.
