engineering mathematics MCQ #531

The parabola y² = 4ax passes through (2, 4). What is 'a'?

engineering mathematics MCQ #531

  1. Question 1

    Q1. The parabola y² = 4ax passes through (2, 4). What is 'a'?

    • A) 1
    • B) 2
    • C) 3/2
    • D) 2/3

    Answer: 2

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