Предмет: Алгебра, автор: Masha170536

Скласти квадратне рівнянняіз цілими коефіцієнтами, корені якого дорівнюють: -2 і -3

Ответы

Автор ответа: NNNLLL54

0

Ответ:

$x^2+px+q=0\\\\p=-(x_1+x_2)=-(-2-3)=5\\\\q=x_1\cdot x_2=-2\cdot (-3)=6\\\\\\\boxed{\; x^2+5x+6=0}$

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Английский язык, автор: irinabr08

Помогите, пожалуйста, кто может.
41
The present perfect and the simple past 11
That is Mr Minus, who teaches me mathematics, but he (not have) time to
teach me much. I only (be) in his class for a week.

12
You (hear) his speech on the radio last night? -Yes, I . . . -

What you (think) of it?

13
I (not know) that you (be) here. You (be) here long?-Yes, I (be) here
two months. —

You (be) to the Cathedral? ~ Yes, I (go)
there last Sunday.

14
You ever (try) to give up smoking? -

Yes, I (try) last year, but then I (find)
that I was getting fat so I (start) again.

15
You (see) today's paper? -

No, anything interesting (happen)?

Yes, two convicted murderers (escape) from
the prison down the

road.

16
Mary (feed) the cat?-

Yes, she (feed) him before lunch. ~ What
she (give) him? -She (give) him some fish.

17
How long you (know) your new assistant?-I (know) him for two years. —

What he (do) before he (come) here? -I
think he (be) in prison.

18
I (not see) your aunt recently. -

No. She (not be) out of her house since
she (buy) her colour TV.

19
The plumber (be) here yet?-

Yes, but he only (stay) for an hour. -

What he (do) in that time? -

He (turn) off the water and (empty) the
tank.

20
Where you (be)?

I (be) out in a yacht. -

You (enjoy) it? -

Yes, very much. We (take) part in a race.
-

You (win)?~

No, we (come) in last.

21
How long that horrible monument (be) there?-

It (be) there six months. Lots of people
(write) to the Town Council asking them to take it away but so far nothing (be)
done.

22
I just (be) to the film War and Peace. You (see) it? -No, I....
Is it like the book? -

I (not read) the book. -

I (read) it when I (be) at school. -

When Tolstoy (write) it? -

He (write) it in 1868. -

He (write) anything else?

23
Hannibal (bring) elephants across the Alps. -Why he (do) that?-

He (want) to use them in battle.

24
Where you (be)?-

I (be) to the dentist. ~

He (take) out your bad tooth? -

Yes, he . . . -

It (hurt)?-

Yes, horribly.

25
She (say) that she'd phone me this morning, but it is now 12.30 and she
(not phone) yet.

26
I just (receive) a letter saying that we (not pay) this quarter's
electricity bill. I (not give) you the money for that last week? ~ Yes, you . .
. but I'm afraid I (spend) it on something else.

27
How long you (be) out of work? -

I'm not out of work now. I just (start) a
new job. -

How you (find) the job? -

I (answer) an advertisement in the paper.

28
You (finish) checking the accounts? -No, not quite. I (do) about half so
far.

29
I (cut) my hand rather badly. Have you a bandage?-I'll get you one. How
it (happen)? -

I was chopping some wood and the axe
(slip).

30
How you (get) that scar? -

I (get) it in a car accident a year ago.

31
You (meet) my brother at the lecture yesterday? -Yes, I.... We (have)
coffee together afterwards.    •

32
He (lose) his job last month and since then he (be) out of work. -Why he
(lose) his job? -

He
(be) very rude to Mr Pitt.

2 года назад

Предмет: Русский язык, автор: 5439887

Фонетический разбор слова лисью

2 года назад

Предмет: Русский язык, автор: Аноним

сколько звуков и букв в словах; (в) краях!! его !!! (на) сучьях???????

2 года назад

Предмет: Математика, автор: sachademak

ПОМОГИТЕ ГЕОМЕТРИЯ!!

8 лет назад

Предмет: Алгебра, автор: gasan2002

Помогите решить!!! Пожалуйста

8 лет назад