Предмет: Алгебра, автор: dima2843289

Помогите найти нули функции y=x2+5x-6

Ответы

Автор ответа: varvaraglushenko

Объяснение:

y=x2+5x+-6

0=x*2+5x-6

x=6/7

Автор ответа: hikooo

Ответ:

-6; 1

Объяснение:

Приравниваем правую часть к нулю и решаем квадратное уравнение, полученные корни являются нулями функции.

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Reading Test The Magic Basket
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Task 1Read and match the pairs.
1. magic a) добрий
2. wonderful b) великий
3. poor c) маленький
4. kind d) чарівний
5. little e) бідний
6. large f) чудовий

Task 2 Read the statements and write true of false.
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2. They are rich and have got a lot of farm animals.
3. They want to sell a grey goat because they don’t like it.
4. On his way to the town the boy meets a man who wants to buy the goat.
5. The boy buys a very nice basket full of food.
6. It is a magic basket.

Task 3 Read and circle.
1. A mother and her little son live in a little __ .
a) flat;
b) house;
c) cabin.
2. The farmer needs a goat for his little __ .
a) daughter;
b) cat;
c) friend.
3. The boy gives his goat to the farmer because he is __ .
a) brave;
b) strong;
c) kind.
4. The mother is very __ when she sees a basket.
a) sad;
b) happy;
c) quiet.
5. The basket leaves the house and comes back full of __ .
a) balls;
b) food;
c) flowers.
6. Every morning the __ jumps from the table and runs out of the house.
a) boy;
b) farmer;
c) basket.
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