Предмет: Математика, автор: умахан1

постройте график функции y=3x^2-4x-4

Ответы

Автор ответа: leralins

2

Ищешь Хв=-б/2а
Хв=4/6=2/3
Ув=3*(2/3)²-4*2/3-4=12/9 - 8/3 - 4 = 4/3 - 8/3- 12/3 = -16/3 = -5 1/3
Отмечаем получившуюся точку - это будет точка О(х0;у0) и строим параболу с 'веточками' вверх:

Приложения:

Автор ответа: dnepr1

7

Для построения графика нужна таблица значений функции при заданных значениях аргумента:
xy-4.0 60 -3.5 46.8 -3.0 35 -2.5 24.8 -2.0 16 -1.5 8.8 -1.0 3 -0.5 -1.2 0 -4 0.5 -5.2 1.0 -5 1.5 -3.2 2.00 2.5 4.8 3.0 11 3.5 18.8 4.0 28 4.5 38.8 5.0 51

Приложения:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: LedySnow

Задайте 2 вопроса(1 ответ да нет,2 к второстепенному члену предложения)
Предложения:
1.It can be saved.
2.Tourist treat their bodies with the black mud.
3.The water contains a lot of sulphur and the thick black mud.
4. Hundreds of thousands of tourists come to the Dead Sea every year.

1 год назад

Предмет: Окружающий мир, автор: maksd07

найди в интернете дополнительную инф о рас

1 год назад

Предмет: Английский язык, автор: hikagirl

Complete the sentences with few, a few, little, a little and with one of the words below.
French ■ times ■ milk ■ chairs ■ salt ■ ideas ■ sugar ■ money
1. Can I have _________ ____________ in my soup please?
2. Does Jane speak any foreign languages? — Yes, English and____________________ _____________________________
3. We’ve got _______ _________, I have almost nothing to give the eat.
4. There wasn’t much furniture in the flat, some beds, a table and _________________ ______________________________
5. Have you ever been to Liverpool? — Yes, ____________ _____________
6. Can you help me with the project? I have______________ ______________ left.
7. They can buy nothing because they have _____________ ___________________
8. She is so thin, she eats______________ _________________________
9. Is there any __________in the bottle? — Yes, ___________________________ _____________________________________________

1 год назад

Предмет: Русский язык, автор: adbobro1234

Помогите пожалуйста
Задание
Укажите словосочетание (существительное +существительное) и разберите его

7 лет назад

Предмет: Английский язык, автор: uuliy

Choose the best of the four alternatives for each answer.
1. ____ English since I was at school.
A) didn't speak B) don't speak C) haven't spoken D) speaking
2. Harry is on the phone. Who ____ to?
A) does he talk B) he talks C) is he talking D) is he talk
3. They won't do that, ____?
A) will they B) don't they C) did they D) will they not
4. If he ____ worked harder, he would have passed the exams.
A) had B) would have C) had have D) would
5. When did you ____ that photo?
A) made B) make C) do D) take
6. I couldn't come to the party because I ____ go to work.
A) have got B) have C) had D) had to
7. Would you mind ____ the window, please?
A) opening B) to open C) I open D) open

7 лет назад