Помогите срочно надо даю 70 баллов

1) ${ {{x} \atop {y=0,5x}} \right. { {{-2} \atop {-1}} \right. { {{0} \atop {0}} \right. { {{1} \atop {0,5}} \right. { {{3} \atop {1,5}} \right. { {{7} \atop {3,5}} \right.$

2) ${ {{x} \atop {y=-2x}} \right. { {{1} \atop {-2}} \right. { {{1,5} \atop {-3}} \right. { {{2} \atop {-4}} \right. { {{2,5} \atop {-5}} \right. { {{3} \atop {-6}} \right.$