engineering mathematics MCQ #604

The equation (x-1)² + (y+2)² = 0 represents

engineering mathematics MCQ #604

  1. Question 1

    Q1. The equation (x-1)² + (y+2)² = 0 represents

    • A) A circle with radius 0
    • B) A single point (1, -2)
    • C) No real points
    • D) A line segment

    Answer: A single point (1, -2)

    Explanation: Sum of squares is zero only if each term is zero. Thus, x=1, y=-2. It's a single point.