If n is any negative number, which of the following must be positive?
(C) n + 2
(D) n - 2
(E) 2 - n
Level of Difficulty E
is negative, than -n
must be positive, simply because the negative of a negative is a positive. Then, 2 plus a positive number must also be positive, which leads to choice E.
For more practice with signed numbers, go to The Math Page.
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