Math
posted by Angelina .
If x is a nonzero real number,is x2 always positive,always negative,or positive or negative depending on whether x is possible or negative explain

Math 
Damon
if x = 4, x2 = 2
if x = 3, x2 = 1
if x = 2, x2 = 0
if x = 1, x2 = 1
if x = 0, x2 = 2
if x = 1, x2 = 3
so + or  depending on if x greater than or less than 2
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