engineering mathematics MCQ #322

The parabola y² = 4ax passes through (2, 4). The value of a is

engineering mathematics MCQ #322

  1. Question 1

    Q1. The parabola y² = 4ax passes through (2, 4). The value of a is

    • A) 1
    • B) 2
    • C) 1 / 2
    • D) 4

    Answer: 1 / 2

    Explanation: Substitute (2, 4) into y² = 4ax to get 16 = 8a, so a = 2 / 2 = 1 / 1 * 2 / 2 = 2 / 2 = 1.