engineering mathematics MCQ #499

The parabola y² = 12x has focus at

engineering mathematics MCQ #499

  1. Question 1

    Q1. The parabola y² = 12x has focus at

    • A) (3, 0)
    • B) (4, 0)
    • C) (5, 0)
    • D) (6, 0)

    Answer: (3, 0)

    Explanation: For y² = 4ax, focus is at (a, 0). Here 4a = 12 ⇒ a = 3.