Question: Which statement returns the roots for the polynomial `x^2 + 2x - 4`?

  1. poly([1 2 -4])
  2. solve(x^2 + 2x - 4 == 0)
  3. polyfit(x^2 + 2x - 4 == 0)
  4. roots([1 2 -4])

Answer: The correct answer of the above question is Option D:roots([1 2 -4])