Постройте график уравнения 1) 2x-y-4=0. 2) 3x+y-2=0. 3) 4y+8=0 - №32316767

Постройте график уравнения 1) 2x-y-4=0. 2) 3x+y-2=0. 3) 4y+8=0
- Предмет:
  Математика
- Автор:
  beastacfj
- 5 лет назад

Ответы 1

Ответ:3) 4у+8=0
4у=-8
у=-8:4
у=-2
Пошаговое объяснение:
- Автор:
  moose4xjj
- 5 лет назад
- 0
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Вариант 2
1. Найдите область определения функции
y = — -+lg(2x— 1).
2+x=x
2. Найдите производную функции f(x) =
cos2x
— в точке 1=
3. Исследуйте на экстремум функцию у = х — бх.
4. Найдите приближенное значение функции f(x) = 5x? — 2x+3 при
х = 1,02.
5. Исследуйте функцию f(x) = ax — 3х+5х +1 и постройте ее график
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Insert the verbs in the correct form.

If I had a spare ticket,I … take you to the cinema.

a) would b) will

2. John suggested that I should … for another job.

a) look b) have looked

3. If she … you,she would be able to advise you.

a) had been b) were

4. We were afraid lest he should … too early.

a) have come b) come

5. She would buy a new fur coat if her husband … enough money.

a) would give b) gave

6. If the students attended all the lectures,they … their exams successfully.

a) would pass b) passed

7. If I were you I … him.

a) would not forgive b) did not forgive

8. I would help the poor if I … very rich.

a) would be b) were

9. If I were a doctor,I … people healthy.

a) made b) would make

10. They … to the country if the weather were better.

a) would go b) went

II 1. If I (know) his name,I’d give it to you.

He (look) a lot better if he did more esercise.

If he worked more carefully,he (not make) so many mistakes.

I wouldn’t do that if I (be) you.

More tourists would come to this seaside if it (have) better climate.

If someone (give) you a submarine,what would you do with it?

If you (not belong) to a union,you couldn’t get a job.

If I (win) a big prize in a lottery,I’d give up my job.

He might get fat if he (go on) eating like that.

If he knew that it was dangerous,he (not come).

III 1. If you (go) on a diet,you (lose) weight.

If we (work) all night,we (finish) in time.

If I see a tiger walking across Hyde Park,I (climb) a tree.

If you (keep) a cat,the mice (not run) about everywhere.

If it (be) summer,the people (not sit) round that big fire.

If you (paint) the walls white,the room (be) much bigger.

If he (take) any exercise,he (not be) so unhealthy.

If they (speak) English to her,her English (improve).

If I (ask) him for help,he (help) me.

If I (know) his address,I (can) write to him.
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