Math Secret – Absolute
For all integers , |-b| is equivalent to which of the following: (A) b (B) -b (C) √(b2) (D) -|b| (E) -(-b) The correct answer is C. Wait! You object. The absolute value of anything is always positive, so the answer must be A (or E), you argue. Well, b is not necessarily positive. The […]
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