Multiple choice

The statement " When integer added to itself, the sum is greater than the integer" is

  1. always true

  2. never true

  3. true only when the integer is positive

  4. true for non-negative integers
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If x > 0, then x + x = 2x, and 2x > x. If x = 0, 0 + 0 = 0 (not greater). If x < 0, x + x = 2x, and 2x < x. Thus, it is only true for positive integers.

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