Question

Which term is not a like term:

8z, 8, 4z, -8z

Answer 1

It is 8 as it is constant having no variable whereas others have variable as z.

Answer 2

8

Explanation:

Like term is having the same variables and powers

each bolded below has the variable z other than 8 (second one)

8z, 8, 4z, -8z