Пожалуйста ❤️❤️❤️ алгебра 8 класс . Created by oladushek80. algebra-ru

Пожалуйста ❤️❤️❤️ алгебра 8 класс ...

oladushek80 @oladushek80

October 2021 1 5 Report

Пожалуйста ❤️❤️❤️ алгебра 8 класс

Answers & Comments

michindjeva

Ответ:

$1) \: 2 {x}^{2} + 3x - 7 = 0 \\ d = 9 - 4 \times 2 \times ( - 7) = 65 \\ d > 0 \\2) \: 3 {x}^{2} - 4x + 6 = 0 \\ d = 16 - 4 \times 3 \times 6 = - 56 \\ d < 0 \\ 3) \: {x}^{2} - 4x - 4 = 0 \\ d = 16 - 4 \times ( - 4) = 32 \\ d > 0$

Объяснение:

если дискриминант >0 2 корня,

если дискриминант <0 нет корней

В1-ом и 3-ем 2 корня, во 2-ом нет корней

ответ: 2,1,3

0 votes Thanks 1

prosto proverte pzh solnce kosnulos vershin altaya i stalo medlenno pogruzhatsya

Answer

oladushek80 August 2022 | 0 Ответы

lilovyj podlesok pozheltel i pod nim uzhe kover zhyoltoj listvy i v lesu pahnet pr

Answer

oladushek80 July 2022 | 0 Ответы

pomogite pozhalujsta najti diskriminant uravneniya

Answer

oladushek80 July 2022 | 0 Ответы

napishite neskolko zagadok chtoby otvetom byl yazyk ne organ yazyk a v plane

Answer

oladushek80 July 2022 | 0 Ответы

Choose the best word or phrase to complete the sentences.1) It was difficult to ...

Answer

oladushek80 July 2022 | 0 Ответы

mnogo ballov choose the best word or phrase to complete the sentences1 if all

Answer

oladushek80 July 2022 | 0 Ответы

proshu choose the best word or phrase to complete the sentences1 i always

Answer

Answers & Comments

polosa suhih savarr vdol yuzhnoj granicy sahary eto pzh ochen nado

pomogite ochen srochno mnozhestvennoe delenie kletok v rezultate kotorogo iz

mnogo ballov 8 klass pzh 1 yavlyaetsya li pryamoj proporcionalnostyu funkc

prosto proverte pzh solnce kosnulos vershin altaya i stalo medlenno pogruzhatsya

lilovyj podlesok pozheltel i pod nim uzhe kover zhyoltoj listvy i v lesu pahnet pr

pomogite pozhalujsta najti diskriminant uravneniya

napishite neskolko zagadok chtoby otvetom byl yazyk ne organ yazyk a v plane

Choose the best word or phrase to complete the sentences.1) It was difficult to ...

mnogo ballov choose the best word or phrase to complete the sentences1 if all

proshu choose the best word or phrase to complete the sentences1 i always

рекомендуемые вопросы

Helpful Links

Helpful Social