Homework Help: algebra

Posted by sally on Wednesday, March 28, 2012 at 4:49pm.

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.

algebra - Reiny, Wednesday, March 28, 2012 at 5:57pm
let x =10
then (x-2) = 8 which is positive

let x = -5
then x-2 = -7 which is negative,

so ......

what do you think?

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