Предмет: Геометрия, автор: Mary390

Скласти рівнянням прямої, яка проходить через задані точки A(4;-3), B(-4;4).СРОЧНООО!!!​

Ответы

Автор ответа: solntsevanik1
1

Объяснение:

Прямая имеет вид у=кх+в

{к*4+в=-3. {в=-3-4к. {в=-3-4*(-7/8) {в=-3+3.5

{к*(-4)+в=4. {-4к+(-3-4к)=4. {-4к-3-4к=4. {-8к=7

{в=0.5

{к=-7/8

y = - \frac{7}{8} x + \frac{1}{2}

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