Home
О нас
Products
Services
Регистрация
Войти
Поиск
Стася523
@Стася523
August 2022
2
2
Report
7x^2-43x-42=0
помогите
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
nastyaLS10
7x² - 43x - 42 = 0
D = b² - 4ac = (-43)² - 4 · 7 · (-42) = 1849 + 1176 = 3025
x₁ = (43 - 55) / 14 = -12/14 = -6/7
x₂ = (43 + 55) / 14 = 98/14 = 7
Ответ: x₁ = -6/7; x₂ = 7
2 votes
Thanks 2
TheUndertaker
7^2-43x-42=0
D=b^2-4ac=-1849-4*7*42=-1849-1176=3025: 3025=55
x1=43+55/2*7=98/14=7
x2=43-55/2*7=-12/14=-6/7
0 votes
Thanks 0
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 "7x^2-43x-42=0помогите..."
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
D = b² - 4ac = (-43)² - 4 · 7 · (-42) = 1849 + 1176 = 3025
x₁ = (43 - 55) / 14 = -12/14 = -6/7
x₂ = (43 + 55) / 14 = 98/14 = 7
Ответ: x₁ = -6/7; x₂ = 7
D=b^2-4ac=-1849-4*7*42=-1849-1176=3025: 3025=55
x1=43+55/2*7=98/14=7
x2=43-55/2*7=-12/14=-6/7