engineering mathematics MCQ #446

For the ellipse x²/25 + y²/16 = 1, what are the coordinates of the foci?

engineering mathematics MCQ #446

  1. Question 1

    Q1. For the ellipse x²/25 + y²/16 = 1, what are the coordinates of the foci?

    • A) (±3, 0)
    • B) (±4, 0)
    • C) (0, ±3)
    • D) (0, ±4)

    Answer: (±3, 0)

    Explanation: c² = a² - b² = 25 - 16 = 9 ⇒ c = 3. Foci at (±3, 0).