| Вариант | Окружность | Точка М0 | Коэффициент К |
| 31 | x2 + y2 – 3x + 5y – 4 = 0 | (– 2; 5) | 7 |
| 32 | 2x2 + 2y2 – 3x + 5y – 3 = 0 | (– 2; 6) | 3 |
| 33 | x2 + y2 – 5x + 6y – 2 = 0 | (1; 7) | 2 |
| 34 | 3x2 + 3y2 + 5x – 2y – 4 = 0 | (1; – 2) | 4 |
| 35 | 5x2 + 5y2 – 2x + 3y – 1 = 0 | (3; 4) | 5 |
| 36 | 4x2 + 4y2 + 2x + 7y – 4 = 0 | (1; 2) | 2 |
| 37 | x2 + y2 + 7x – 4y – 4 = 0 | (3; 2) | 3 |
| 38 | 5x2 + 5y2 + 7x – 6y – 5=0 | (– 3; 5) | 4 |
| 39 | x2 + y2 – 6x + 7y – 1 = 0 | (1; – 7) | 3 |
| 40 | 2x2 + 2y2 – 3x + 5y – 8 = 0 | (1; – 2) | 5 |