engineering mathematics MCQ #602

The equation of parabola with vertex (0,0) and focus (0, -5) is

engineering mathematics MCQ #602

  1. Question 1

    Q1. The equation of parabola with vertex (0,0) and focus (0, -5) is

    • A) x² = 20y
    • B) x² = -20y
    • C) y² = -20x
    • D) y² = 20x

    Answer: x² = -20y

    Explanation: Downward opening parabola x² = -4ay. Focus at (0, -a). Here a=5 => x² = -20y.