СРОЧНО, Завтра сдавать работу. Неравенства. Created by хорошист55007. algebra-ru

А) х2-1/4≤ 0х2≤ 1/4|х|≤ 1/2х ≤ 1/2,х ≥ 0-х ≤ 1/2, х<0х є [0, 1/2]х ≥ -1/2, х<0х є [0, 1/2]х є [-1/2,0]х є [-1/2;1/2]б) х2+3х-2х-6>0х*(х+3)-2(х+3)>0(х+3)*(х-2)>0{х+3>{х-2>0{х+3<0{х-2<0{х>-3{х>2{х<-3{х<2х є (2;+ ∞ )х є (- ∞ ; -3)в) {2х-3 ≤0{х+4>0{2х-3 ≥ 0{х+4<0{х ≤ 3/2{х>-4{х≥ 3/2{ х<-4 х є (-4;3/2]г) х2+х+х-1≥0-х*(х-1)+1(х-1) ≥0-(х-1)*(х-1) ≥0-(х-1)2 ≥ 0(х-1)2 ≤ 0(х-1)2=0х=1 Реклама Реклама Новые вопросы в Алгебра Найди зависимость между числами и заполни пустые окошки: (−5;30), (−4;24), (…;0), (…;−6). Відомо, що 3ab⁴=5 знайти: -12a²b⁸ Помогите пожалуйста!!! В конце 11,6 вирішіть будь ласка чим по швидше найдите допустим значение переменной 1) 7x + 34 c¹⁸:c¹⁸•2 это контрольная по алгебре. Помогите пожалуйста!!! помогти ришить пажалуста Помогите пожалуйста!!! пожалуйста 236 номер Предыдущий Следующий Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. 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СРОЧНО, Завтра сдавать работу. Неравенства...

хорошист55007 @хорошист55007

November 2021 1 10 Report

СРОЧНО, Завтра сдавать работу. Неравенства

Answers & Comments

nataloshka25 А) х2-1/4≤ 0
х2≤ 1/4
|х|≤ 1/2
х ≤ 1/2,х ≥ 0
-х ≤ 1/2, х<0
х є [0, 1/2]
х ≥ -1/2, х<0
х є [0, 1/2]
х є [-1/2,0]
х є [-1/2;1/2]

б) х2+3х-2х-6>0
х*(х+3)-2(х+3)>0
(х+3)*(х-2)>0
{х+3>
{х-2>0

{х+3<0
{х-2<0

{х>-3
{х>2

{х<-3
{х<2

х є (2;+ ∞ )
х є (- ∞ ; -3)

в)
{2х-3 ≤0
{х+4>0

{2х-3 ≥ 0
{х+4<0

{х ≤ 3/2
{х>-4

{х≥ 3/2
{ х<-4
х є (-4;3/2]
г) х2+х+х-1≥0
-х*(х-1)+1(х-1) ≥0
-(х-1)*(х-1) ≥0
-(х-1)2 ≥ 0
(х-1)2 ≤ 0
(х-1)2=0
х=1

Новые вопросы в Алгебра

Найди зависимость между числами и заполни пустые окошки: (−5;30), (−4;24), (…;0), (…;−6).

Відомо, що 3ab⁴=5 знайти: -12a²b⁸

Помогите пожалуйста!!! В конце 11,6

вирішіть будь ласка чим по швидше

найдите допустим значение переменной 1) 7x + 34

c¹⁸:c¹⁸•2 это контрольная по алгебре.

Помогите пожалуйста!!!

помогти ришить пажалуста

Помогите пожалуйста!!!

пожалуйста 236 номер

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Новые вопросы в Алгебра

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