Home
О нас
Products
Services
Регистрация
Войти
Поиск
VovanychMiner
@VovanychMiner
July 2022
1
21
Report
х в квадрате меньше -2х+63 решите неравентво
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
Banabanana
Verified answer
Х² < -2x + 63
x² + 2x - 63 < 0
находим нули:
x² + 2x - 63 = 0
D = 4 + 252 = 256 = 16²
x₁ = (-2-16)/2 = -9
x₂ = (-2+16)/2 = 7
отмечаем на числовой прямой, записываем ответ:
+ - +
---------(-9)---------------(7)----------->
x ∈ (-9; 7)
1 votes
Thanks 1
×
Report "х в квадрате меньше -2х+63 решите неравентво..."
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 © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Х² < -2x + 63x² + 2x - 63 < 0
находим нули:
x² + 2x - 63 = 0
D = 4 + 252 = 256 = 16²
x₁ = (-2-16)/2 = -9
x₂ = (-2+16)/2 = 7
отмечаем на числовой прямой, записываем ответ:
+ - +
---------(-9)---------------(7)----------->
x ∈ (-9; 7)