Предмет: Алгебра, автор: elviradyachkova2006

1. Через какую точку проходит график функции y = 3х – 7?
1) (2; -3)
2) (1; 2)
В) (2-1)
4) (-2; 11)
2. Выносите общий сожитель за скобку: 12y-3xy²
1) 4(3xy-4y)
2) 3y(4x-y)
3) 3y(4-xy)
4) 4y(3x-y)
3. Разложите на множители: a(y+5)-b(y+5)
1) (y-5)×a
2) (a+b)(y-5)
3) (a-b)(y+5)
4) (y-5)×b​

Ответы

Автор ответа: yuliasvyrydiuk
0

Ответ:

1. В) (2;-1)

у = 3х-7

у = 3•2-7

у = 6-7

у = -1

2. 3) 3у(4-ху)

12у-3ху² = 3у•4-3у•ух=3у(4-ух)

3. 3) (а-b)(y+5)

a(y+5)-b(y+5) = (а-b)(y+5)

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