Question

Can anyone help check this roots of unity work?
Which of the following are correct statements concerning the roots of unity? Check all that apply.

A. -1 is an nth root of unity when n is even.
B. 1 is always the nth root of unity.
C. The number of nth roots of unity is n.
D. nth roots of unity are evenly spaced on the circle or radius n.
I think its A, B, and C.

Answer 1

It was A, B, and C.