Home
О нас
Products
Services
Регистрация
Войти
Поиск
Parokur
@Parokur
July 2022
1
3
Report
решите неравенство
10-3х²≤5х-2
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
ТатМих
Verified answer
10-3х²≤5x-2
3x²+5x-2-10≥0
3x²+5x-12≥0
D=b²-4ac
D=25+144=169
√D=√169=13
x1=(-5+13)/6=8/6=4/3=1 1/3
x2=(-5-13)/6=-3
3(x-1 1/3)(x+3)≥0
x-1 1/3≥0
x+3≥0
x≥1 1/3
x≥-3
⇒
x≥1 1/3
x
-
1 1/3≤0
x+3≤0
x≤1 1/3
x≤-3
⇒
x≤-3
+ - +
////////////////-3...............1 1/3////////////////
Ответ: (- бесконечность;-3] и [1 1/3;+ бесконечность)
2 votes
Thanks 1
Parokur
спс
Parokur
Ввм тоже
Parokur
Вам тоже
More Questions From This User
See All
Parokur
July 2022 | 0 Ответы
reshite neravenstva 5h 11h20
Answer
рекомендуемые вопросы
rarrrrrrrr
August 2022 | 0 Ответы
o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n
danilarsentev
August 2022 | 0 Ответы
est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha
myachina8
August 2022 | 0 Ответы
najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie
ydpmn7cn6w
August 2022 | 0 Ответы
Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...
millermilena658
August 2022 | 0 Ответы
opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii
MrZooM222
August 2022 | 0 Ответы
ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi
timobila47
August 2022 | 0 Ответы
kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta
ivanyyaremkiv
August 2022 | 0 Ответы
moment. 6....
pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513
sarvinozwakirjanova
August 2022 | 0 Ответы
pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631
×
Report "решите неравенство 10-3х²≤5х-2..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
10-3х²≤5x-23x²+5x-2-10≥0
3x²+5x-12≥0
D=b²-4ac
D=25+144=169
√D=√169=13
x1=(-5+13)/6=8/6=4/3=1 1/3
x2=(-5-13)/6=-3
3(x-1 1/3)(x+3)≥0
x-1 1/3≥0
x+3≥0
x≥1 1/3
x≥-3
⇒
x≥1 1/3
x-1 1/3≤0
x+3≤0
x≤1 1/3
x≤-3
⇒
x≤-3
+ - +
////////////////-3...............1 1/3////////////////
Ответ: (- бесконечность;-3] и [1 1/3;+ бесконечность)