engineering mathematics MCQ #4309

The roots of the quadratic equation x² + 4x + 4 = 0 are

engineering mathematics MCQ #4309

  1. Question 1

    Q1. The roots of the quadratic equation x² + 4x + 4 = 0 are

    • A) Real and distinct
    • B) Real and equal
    • C) Imaginary
    • D) Irrational

    Answer: Real and equal

    Explanation: D = 4² - 4*1*4 = 0, so roots are real and equal.