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March 3, 2015

March 3, 2015

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

(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 5:57pmlet 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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