Question

write an equation for a circle that has a diameter with the given endpoints:

(0,-4) and (0,4)

Answer 1

1. do you know the general form of a circle formula?
2. radius is 1/2 distance so what is the radius?

Answer 2

i just started this lesson today dont really understand it.

Answer 3

If the ends of the diameter are (0,-4) and (0,4) what is the center of the circle?

Answer 4

ok, the formula is
(x-h)^2 + (y-k)^2 = r^2

Answer 5

yes that's it somethign my teacher mentioned today!

Answer 6

great :)

Answer 7

so the center is h,k
r = radius