Respostas

2014-03-08T11:25:43-03:00
X²+ y² + 2x + 2y – 2 = 0.......P(– 4, – 5) => x=-4, y=-5 
16 +25 -8 -10 -2 = 0 
41 - 20 = 0 
21 > 0.............( > 0) => exterior