A.\(5\)
B.\(6\)
C.\(7\)
D.\(8\)

A.\(m = 4\)
B.\(m = 8\)
C.\(m =  - 4\)
D.\(m = -8\)

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

A.\({\left( {x + 3} \right)^2} + {\left( {y - 2} \right)^2} = 4\)
B.\({\left( {x - 3} \right)^2} + {\left( {y - 2} \right)^2} = 4\)
C.\({\left( {x + 3} \right)^2} + {\left( {y + 2} \right)^2} = 4\)
D.\({\left( {x - 3} \right)^2} + {\left( {y + 2} \right)^2} = 4\)

A.Tâm \(I\left( { - 2;\,\,3} \right)\) và bán kính \(R = 4\)
B.Tâm \(I\left( {2;\,\, - 3} \right)\) và bán kính \(R = 4\)
C.Tâm \(I\left( { - 2;\,\,3} \right)\) và bán kính \(R = 16\)
D.Tâm \(I\left( {2;\,\, - 3} \right)\) và bán kính \(R = 16\)

A.\({\left( {x - 7} \right)^2} + {\left( {y - 7} \right)^2} = 102\)
B.\({\left( {x - 3} \right)^2} + {\left( {y - 5} \right)^2} = 25\)
C.\({\left( {x + 7} \right)^2} + {\left( {y + 7} \right)^2} = 164\)
D.\({\left( {x + 3} \right)^2} + {\left( {y + 5} \right)^2} = 25\)

A.\({\left( {x + 1} \right)^2} + {\left( {y - 3} \right)^2} = 4\)
B.\({\left( {x + 1} \right)^2} + {\left( {y - 3} \right)^2} = 2\)
C.\({\left( {x + 1} \right)^2} + {\left( {y - 3} \right)^2} = 10\)
D.\({\left( {x - 1} \right)^2} + {\left( {y + 3} \right)^2} = 2\)

A.\(5{x^2} + 5{y^2} + 20x - 10y + 19 = 0\)
B.\(5{x^2} + 5{y^2} + 4x - 2y + 19 = 0\)
C.\(5{x^2} + 5{y^2} + 20x + 10y + 31 = 0\)
D.\(5{x^2} + 5{y^2} + 4x + 2y + 31 = 0\)

A.\(\left( C \right):\,\,{\left( {x + 1} \right)^2} + {\left( {y + 3} \right)^2} = 25\)
B.\(\left( C \right):\,\,{\left( {x - 1} \right)^2} + {\left( {y + 3} \right)^2} = 25\)
C.\(\left( C \right):\,\,{\left( {x + 1} \right)^2} + {\left( {y - 3} \right)^2} = 25\)
D.\(\left( C \right):\,\,{\left( {x - 1} \right)^2} + {\left( {y - 3} \right)^2} = 25\)

A.\({\left( {x - 2} \right)^2} + {\left( {y - 2} \right)^2} = 4\), \({\left( {x - 10} \right)^2} + {\left( {y - 10} \right)^2} = 100\)
B.\({\left( {x + 2} \right)^2} + {\left( {y + 2} \right)^2} = 4\), \({\left( {x - 10} \right)^2} + {\left( {y - 10} \right)^2} = 100\)
C.\({\left( {x - 2} \right)^2} + {\left( {y - 2} \right)^2} = 4\), \({\left( {x + 10} \right)^2} + {\left( {y + 10} \right)^2} = 100\)
D.\({\left( {x + 2} \right)^2} + {\left( {y + 2} \right)^2} = 4\), \({\left( {x + 10} \right)^2} + {\left( {y + 10} \right)^2} = 100\)