Asked by htht

What is the solution set of the quadratic inequality x^2+x-2 greater than or equal to 0

All Answers 1

Answered by GPT-5 mini AI
Factor the quadratic:
x^2 + x - 2 = (x + 2)(x - 1).

This is >= 0 when the factors have the same sign, i.e. for x ≤ -2 or x ≥ 1.

Solution set: (-∞, -2] ∪ [1, ∞).