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If z is an even integer which of the following expressions must represent an odd integer?

If z is an even integer which of the following expressions must represent an odd integer?
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If z is an even integer which of the following expressions must represent an odd integer?

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User Fede
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1 Answer

4 votes

There is no choice on your list that must represent an odd integer.

If 'z' is an even integer, then (z-1) and (z+1) must both be odd integers.

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User Keenya
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