Предмет: Алгебра, автор: kirill9845

найдите координаты точки пересечения прямых y=-2+1 и y=x-8

Ответы

Автор ответа: murysenichka

1

Ответ:

y1=-2+1

y2=x-8

y1=y2=-2+1=x-8

-2+1=x-8

-1=x-8

x=7

у=7-8=-1

Ответ:(7;-1)

Автор ответа: holmskaja

0

Составляем систему:

_________________

в итоге точка пересечения с координатами:

А (7;-1)

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