Ответ: г) (2;14)

Объяснение:

[tex]\left \{ {{x - y = -12} \atop {x * y = 28}} \right.[/tex]

а) (-2;-14) ∅

[tex]\left \{ {{-2 - (-14) \neq -12} \atop {-2 * (-14) = 28}} \right.[/tex]

б) (-14;2) ∅

[tex]\left \{ {{-14 - 2 \neq -12} \atop -14 * 2 =\neq 28}} \right.[/tex]

в) (14;2) ∅

[tex]\left \{ {{14 - 2 \neq -12} \atop {14 * 2 = 28}} \right.[/tex]

г) (2;14) ←

[tex]\left \{ {{2 - 14 = -12} \atop {2 * 14 = 28}} \right.[/tex]