Friday, March 30, 2007

"ALGEBRA QUESTION OF THE DAY"

If x, y, and z are consecutive integers in that order, which of the following must be true?
I. xy is even.
II. x – z is even.
III. xz is even.
(A) I only (B) II only (C) III only (D) I and II only (E) I and III only

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