engineering mathematics MCQ #311

The center of the circle x² + y² + 4x + 6y + 9 = 0 is

engineering mathematics MCQ #311

  1. Question 1

    Q1. The center of the circle x² + y² + 4x + 6y + 9 = 0 is

    • A) (-2, -3)
    • B) (2, 3)
    • C) (-2, 3)
    • D) (2, -3)

    Answer: (-2, -3)

    Explanation: The center is given by (-g, -f), where g = 2 and f = 3 in the general equation x² + y² + 2gx + 2fy + c = 0.