📢 QuizNe.vn will officially cease operations on 27/08/2026. Thank you for being with us.
- (x - 4)² + (y + 8) ² = 20
- (x + 4)² + (y - 8) ² = 2√5
- (x - 4)² + (y + 8) ² = 2√5
- (x + 4)² + (y - 8) ² = 20