A.  ${\left(x-1\right)}^2+{\left(y-2\right)}^2=8$

B.  ${\left(x-2\right)}^2+{\left(y-2\right)}^2=8$

C.  ${\left(x+2\right)}^2+{\left(y+2\right)}^2=16$

D.  ${\left(x-1\right)}^2+{\left(y-2\right)}^2=16$

A. ${\left(x - 2\right)}^2 + {\left(y - 4\right)}^2 = 4$

B.  ${\left(x + 2\right)}^2 + {\left(y + 4\right)}^2 = 4$

C.  ${\left(x - 2\right)}^2 + {\left(y - 4\right)}^2 = 16$

D.  ${\left(x + 2\right)}^2 + {\left(y + 4\right)}^2 = 16$

A.  ${\left(x+1\right)}^2+{(y-2)}^2=16$

B.  ${\left(x-2\right)}^2+{(y-4)}^2=4$

C.  ${\left(x+2\right)}^2+{(y+4)}^2=16$

D.  ${\left(x-1\right)}^2+{(y+2)}^2=4$

A.  ${\left(x-4\right)}^2+{\left(y-2\right)}^2=16$

B.  ${\left(x-2\right)}^2+{\left(y-4\right)}^2=16$

C.  ${\left(x+2\right)}^2+{\left(y+4\right)}^2=16$

D.  ${\left(x-4\right)}^2+{\left(y-2\right)}^2=4$

A.  $I\text{'}=\left(\frac{1}{2};1\right);R\text{'}=5$

B.  $I\text{'}=\left(2;4\right);R\text{'}=20$

C.  $I\text{'}=\left(-1;\frac{1}{2}\right);R\text{'}=5$

D.  $I\text{'}=\left(-4;2\right);R\text{'}=20$

A. 9

B. 3

C. 27

D. 1