engineering mathematics MCQ #595

For the parabola y² = 12x, the focus is at

engineering mathematics MCQ #595

  1. Question 1

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

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

    Answer: (3, 0)

    Explanation: Standard rightward parabola y²=4ax. Here 4a=12 => a=3. Focus is at (a, 0) = (3, 0).