algebra
posted by sally
Could someone please help me with this?
(1) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer.

Reiny
let x =10
then (x2) = 8 which is positive
let x = 5
then x2 = 7 which is negative,
so ......
what do you think?
Respond to this Question
Similar Questions

Decartes Rule of Signs
Could you explain to me decartes Rule of signs? 
Math
Could someone please explain to me how you get answers when you add a negative number to a negative number or a positive number to a positive number or a negative and positive number added together, because my teacher tried explaining … 
algebra
) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? 
7th grade math
Which of these statements is true when you add a positive, nonzero integer and a negative, nonzero integer? 
math
Which statement is true? A.The sum of two positive integers is sometimes positive, sometimes negative. B.The sum of two negative integers is always negative. C.The sum of a positive integer and a negative integer is always positive. 
college physics
What work is done by a friction force acting on an object? 
physics
What work is done by a friction force acting on an object? 
Math
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
We are adding positive and negative numbers. The question is State positive or negative or it depends along with my answers. Are these correct? 
Pre Cal
Use Descartes’ Rule of Signs to find the number of possible positive, negative, and nonreal roots for the equation, 4x^3+7x^2+7x+3=0 a. 0 positive, 0 negative, 3 non real roots b. 0 positive, 1 or 3 negative, 0 or 2 non real roots …