Предмет: Алгебра, автор: lixxixixxss

розв'яжіть рівняння!!!❤️ 3х²-5х+6=0 РАСПИСАТЬ! НЕ ПРИКРЕПЛЯЕТЕ С СКРИНШОТЫ С ИНТЕРНЕТА​

Ответы

Автор ответа: zanbolkobeev999
1

ОтвЕт: КОРНЕЙ НЕТ

Объяснение:

3x^{2} -5x+6=0 находим дискриминант по ФОРМУЛЕ

D=b^{2} -4ac=25-4*3*6=25-72=-47, ТАК КАК ОН ОТРИЦАТЕЛЬНЫЙ ТО ДАННОЕ УРАВНЕНИЕ НЕ ИМЕЕТ КОРНЕЙ.

Похожие вопросы
Предмет: Английский язык, автор: MrElgrato
WRITING TEST

1. Write the correct question tags.
1) You want to go on holiday,___ ?
2) Taras will help you____ ?
3) Mary has a lot of friends,___ ?
4) I am a new student,___ ?
5) They have cleaned the floor,___ ?
6) Their parents are very busy,___ ?
7) The door wasn’t locked, ____?
8) He cannot speak English, _____?

2. Complete the sentences with the correct reflexive pronoun.
1) Why can’t you do it ___?
2) My uncle likes to talk about ____.
3) I hurt while I was digging the garden___.
4) We made this card____ .
5) Did she write that essay_____ ?

3. Grammar
1. We … football now.
a) play b) are playing c) played d) plays
2. My friend … in Lviv.
a) live b) is living c) lives d) living
3. Olga … already … the text.
a) has translated b) translated c) is translating d) translates
4. We … … part in a competition tomorrow.
a) have taken b) took c) will take d) take
5. I … an interesting film yesterday!
a) watched b) watch c) have watched d) watches
6. We … a dictation last Friday.
a) write b) writed c) wrote d) written
7. There are … books on the table.
a) much b) many

8. There is … snow in the street.
a) much b) many
9. This book is interesting, but “Harry Potter” is … .
a) more interesting b) interestinger
10. My school is … in Kramatorsk.
a) good b) better c) gooder d) the best
11. Summer is … season in a year.
a) hot b) hottest c) the hottest d) the most hot
12. This dress is … short, I can’t wear it.
a) enough b) too c) much
13. This film is interesting … , let’s watch it.
a) enough b) too c) much
14. You did not pass the exam, so you … take it once again.
a) must b) should c) have to d) can
15. It’s cold today, you … put on your coat.
a) must b) should c) have to d) can
16. … I open the window?
a) may b) can c) must d) have to
17. We … swim very well.
a) can b) may c) must d) have to
18. Today is … of March.
a) nine b) ninth c) the ninth d) the nineth
19. There … a book, a pencil-box and two copybooks on the desk.
a) is b) are
20. There … some bread on the table.
a) is b) are

Заранее большое, ну уж очень БОЛЬШОЕ спасибо!
Предмет: Математика, автор: Violetta20072007