engineering mathematics MCQ #551

For parabola y² = 12x, what is the focus?

engineering mathematics MCQ #551

  1. Question 1

    Q1. For parabola y² = 12x, what is the focus?

    • A) (0, 3)
    • B) (3, 0)
    • C) (0, -3)
    • D) (3, 0) (2)

    Answer: (3, 0) (2)

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