engineering mathematics MCQ #440

Find the focus of the parabola y² = -12x.

engineering mathematics MCQ #440

  1. Question 1

    Q1. Find the focus of the parabola y² = -12x.

    • A) (-3, 0)
    • B) (3, 0)
    • C) (0, -3)
    • D) (0, 3)

    Answer: (-3, 0)

    Explanation: Standard form y² = 4ax gives 4a = -12 ⇒ a = -3. Focus at (-3,0).