93.3k views
3 votes
If z is an even integer which of the following expressions must represent an odd integer?

User Fede
by
8.6k points

1 Answer

4 votes

There is no choice on your list that must represent an odd integer.

If 'z' is an even integer, then (z-1) and (z+1) must both be odd integers.

User Keenya
by
7.7k points