Question

Can someone please help with this question

Answer 1

A) z > 0

C) z = 0

Explanation:

Given,

x*x = z

x^2 = z

When squared, the value becomes greater than or equal to zero.

So, z > 0 or z = 0

Answer 2

A

Explanation:

If x<0 then z must be :

z>0