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A $\left( {1;\,1} \right),\,\,\left( { - 1; - 1} \right),\left( {\frac{{\sqrt {10} }}{2};\frac{{ - \sqrt {10}  - 2}}{2}} \right),\left( { - \frac{{\sqrt {10} }}{2};\frac{{\sqrt {10}  - 2}}{2}} \right)$

B $\left( {1; - 2} \right),\,\,\left( { - 2;1} \right),\left( {\frac{{\sqrt {10} }}{2};\frac{{\sqrt {10} }}{2}} \right),\left( { - \frac{{\sqrt {10} }}{2}; - \frac{{\sqrt {10} }}{2}} \right)$

C $\left( { - 1;0} \right),\,\,\left( {2; - 1} \right),\left( {\frac{{\sqrt {10} }}{2}; - \frac{{\sqrt {10} }}{2}} \right),\left( { - \frac{{\sqrt {10} }}{2};\frac{{\sqrt {10} }}{2}} \right)$

D $\left( { - 1;0} \right),\,\,\left( {2; - 1} \right),\left( { - \frac{{\sqrt {10} }}{2};\frac{{\sqrt {10}  - 2}}{2}} \right),\left( {\frac{{\sqrt {10} }}{2};\frac{{ - \sqrt {10}  - 2}}{2}} \right)$

A  $S = \left( {x;y} \right) = \left\{ {\left( {1;0} \right),\left( { - 2;3} \right)} \right\}$

B $S = \left( {x;y} \right) = \left\{ {\left( { - 1;2} \right),\left( {2; - 1} \right)} \right\}$

C $S = \left( {x;y} \right) = \left\{ {\left( { - 1; - 2} \right),\left( { - 2; - 1} \right)} \right\}$

D $S = \left( {x;y} \right) = \left\{ {\left( {1; - 2} \right),\left( { - 2;1} \right)} \right\}$ 

A $\left( {x;\,y} \right) = \left\{ {\left( {1;\,1} \right);\,\left( {2;\,2} \right)} \right\}$

B $\left( {x;\,y} \right) = \left\{ {\left( { - 1; - \,1} \right);\,\left( { - 2;\, - 2} \right)} \right\}$

C $\left( {x;\,y} \right) = \left\{ {\left( { - 1;\,1} \right);\,\left( {2;\, - 2} \right)} \right\}$

D $\left( {x;\,y} \right) = \left\{ {\left( {1;\, - 1} \right);\,\left( { - 2;\,2} \right)} \right\}$

A $\left( {x;\,y} \right) = \left\{ {\left( {0;0} \right);\,\,\left( {\sqrt {11} ; - \sqrt {11} } \right);\,\,\left( { - \sqrt {11} ;\sqrt {11} } \right)} \right\}$

B $\left( {x;\,y} \right) = \left\{ {\left( {0;0} \right);\,\,\left( {\sqrt {13} ;\sqrt {13} } \right);\,\,\left( { - \sqrt {13} ; - \sqrt {13} } \right)} \right\}$

C $\left( {x;\,y} \right) = \left\{ {\left( {0;0} \right);\,\,\left( {\sqrt {13} ; - \sqrt {13} } \right);\,\,\left( { - \sqrt {13} ;\sqrt {13} } \right)} \right\}$  

D $\left( {x;\,y} \right) = \left\{ {\left( {0;0} \right);\,\,\left( {\sqrt {11} ;\sqrt {11} } \right);\,\,\left( { - \sqrt {11} ; - \sqrt {11} } \right)} \right\}$

A $S = \left( {x;y} \right) = \left\{ {\left( { - 3; - 3} \right),\left( {\frac{{11}}{9};\frac{{11}}{9}} \right)} \right\}$

B $S = \left( {x;y} \right) = \left\{ {\left( {3;3} \right),\left( { - \frac{{11}}{9}; - \frac{{11}}{9}} \right)} \right\}$

C $S = \left( {x;y} \right) = \left\{ {\left( {3;3} \right),\left( {\frac{{11}}{9};\frac{{11}}{9}} \right)} \right\}$

D $S = \left( {x;y} \right) = \left\{ {\left( { - 3; - 3} \right),\left( { - \frac{{11}}{9}; - \frac{{11}}{9}} \right)} \right\}$

A $m \ge 22$

B $m \le 22$

C $m \ge 11$

D $m \le 11$

A $\left( {x;y} \right) = \left( {\frac{1}{2};\frac{1}{2}} \right)$

B $\left( {x;y} \right) = \left( {\frac{{ - 1}}{2};\frac{{ - 1}}{2}} \right)$

C $\left( {x;y} \right) = \left( {\frac{1}{2};\frac{{ - 1}}{2}} \right)$

D $\left( {x;y} \right) = \left( {\frac{{ - 1}}{2};\frac{1}{2}} \right)$

A $\left( {x;y} \right) = \left( {1;1} \right)$

B $\left( {x;y} \right) = \left( { - 1; - 1} \right)$

C $\left( {x;y} \right) = \left( { - 1;1} \right)$

D $\left( {x;y} \right) = \left( {1; - 1} \right)$

A $\left( {1;8} \right);\left( {8;1} \right);\left( {4;7} \right);\left( {7;4} \right)$

B $\left( { - 1; - 8} \right);\left( { - 8; - 1} \right);\left( { - 4; - 7} \right);\left( { - 7; - 4} \right)$

C $\left( { - 1; - 8} \right);\left( { - 8; - 1} \right);\left( {4;7} \right);\left( {7;4} \right)$

D $\left( {1;8} \right);\left( {8;1} \right);\left( { - 4; - 7} \right);\left( { - 7; - 4} \right)$

A $\left( {x;\,y} \right) = \left\{ {\left( {1;\frac{{3 - \sqrt 5 }}{2}} \right),\left( {1;\frac{{3 + \sqrt 5 }}{2}} \right),\left( {\frac{{3 - \sqrt 5 }}{2}; - 1} \right),\left( {\frac{{3 + \sqrt 5 }}{2}; - 1} \right)} \right\}$

B $\left( {x;\,y} \right) = \left\{ {\left( {1; - \frac{{3 - \sqrt 5 }}{2}} \right),\left( {1; - \frac{{3 + \sqrt 5 }}{2}} \right),\left( {\frac{{3 - \sqrt 5 }}{2};1} \right),\left( {\frac{{3 + \sqrt 5 }}{2};1} \right)} \right\}$

C $\left( {x;\,y} \right) = \left\{ {\left( { - 1; - \frac{{3 - \sqrt 5 }}{2}} \right),\left( {1;\frac{{3 + \sqrt 5 }}{2}} \right),\left( {\frac{{3 - \sqrt 5 }}{2};1} \right),\left( { - \frac{{3 + \sqrt 5 }}{2}; - 1} \right)} \right\}$

D $\left( {x;\,y} \right) = \left\{ {\left( {1;\frac{{3 - \sqrt 5 }}{2}} \right),\left( {1;\frac{{3 + \sqrt 5 }}{2}} \right),\left( {\frac{{3 - \sqrt 5 }}{2};1} \right),\left( {\frac{{3 + \sqrt 5 }}{2};1} \right)} \right\}$

A $a = \frac{{4 - \sqrt 2 }}{2}$

B $a = \frac{{4 + \sqrt 2 }}{2}$

C $a = \frac{{ - 4 + \sqrt 2 }}{2}$

D $a = \frac{{ - 4 - \sqrt 2 }}{2}$

A $\left( {x;\,y;\,z;\,t} \right) = \left\{ {\left( {0;0;0;0} \right);\left( { - 1; - 1; - 1; - 1} \right)} \right\}$

B $\left( {x;\,y;\,z;\,t} \right) = \left\{ {\left( {0;0;0;0} \right);\left( {2;2;2;2} \right)} \right\}$

C $\left( {x;\,y;\,z;\,t} \right) = \left\{ {\left( {1;1;1;1} \right);\left( {2;2;2;2} \right)} \right\}$

D $\left( {x;\,y;\,z;\,t} \right) = \left\{ {\left( {0;0;0;0} \right);\left( {1;1;1;1} \right)} \right\}$