engineering mathematics MCQ #522

The equation x² + y² - 4x + 6y + 9 = 0 represents a conic. What is its center?

engineering mathematics MCQ #522

  1. Question 1

    Q1. The equation x² + y² - 4x + 6y + 9 = 0 represents a conic. What is its center?

    • A) (2, -3)
    • B) (-2, 3)
    • C) (4, 6)
    • D) (-4, -6)

    Answer: (2, -3)

    Explanation: Completing the square gives (x-2)² + (y+3)² = 4. Center is (2, -3).