Resposta :
Resposta:
1 -
a) (x - 5)² + (y - 5)² = 4
b) (x - 6)² + (y+1)² = 5
c) x² + y² = 9
2 -
a) C(1, -1) r = 1
b) C(-7, -8) r = \sqrt{11}
11
c) C(-9, 0) r = \sqrt{5}
5
d) C(0, -8) r = 7\sqrt{2}
2
e) C(0, 0) r = 2\sqrt{5}
5
Resposta:
1 -
a) (x - 5)² + (y - 5)² = 4
b) (x - 6)² + (y+1)² = 5
c) x² + y² = 9
2 -
a) C(1, -1) r = 1
b) C(-7, -8) r = \sqrt{11}
11
c) C(-9, 0) r = \sqrt{5}
5
d) C(0, -8) r = 7\sqrt{2}
2
e) C(0, 0) r = 2\sqrt{5}
5