Предмет: Алгебра, автор: NataliaKlyshina

Решите систему линейных уравнений графическим способом
{y-x=0
{x+y=4

Ответы

Автор ответа: ussrex

2

Во вложении находится рисунок с графиками этих функций (записанных в виде y=x и у=х-4). Координаты точки пересечения этих графиков и будут решением системы уравнений. Графики пересекаются в точке с координатами (2; 2) - это и есть решение системы: x=2; y=2

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