Question

Please help me, I don't understand this... ​

Answer 1

Down below

Explanation:

2)(-6,3)

where h=-6&k=3

(x-h)²+(y-k)²=R²

(x-(-3)²+(y-6)²=11²

(x+3)²+(y²-6²)=11²

3)(x-3)²+(y+4)²=25

(x-h)²+(y-k)²=R²

h=3

k=-4

(

C(3,-4)

4)(x+1)²+(y-6)²=361

(x-h)²+(y-k)²=R²

R²=361

√R²=√361

R=19