Multiple choice general knowledge math & puzzles

The sum of the square of a negative integer and itself is zero. Find that number!

  1. -1

  2. -2

  3. 0

  4. -1/2
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let the negative integer be x. Then x² + x = 0, which factors to x(x+1) = 0. The solutions are x = 0 or x = -1. Since we need a negative integer, x = -1 is the correct answer. Option A (-1) is correct.

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