JEE Mathematics · Medium

Quadratic Equations and Inequalities: Sign of roots MCQ

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Sign of rootsMediumQuestion 220011

Question

For x² − 3x − 4 = 0, the roots have:
  1. A
    Same sign
  2. B
    Opposite signs
    Correct
  3. C
    Both positive
  4. D
    Both negative

Correct answer

Opposite signs

Explanation

Product = −4 < 0 → roots have opposite signs. Actual roots: x = 4 and x = −1.