Home
О нас
Products
Services
Регистрация
Войти
Поиск
ranetkaregina
@ranetkaregina
August 2022
1
4
Report
помогите решить плиз:
1) 7х в квадрате -28=0;
2) х в квадрате -11х024=0;
3)х в квадрате -10х +25=0;
4) 2х в квадрате -х -15=0;
5) 3х в квадрате -2х -40=0;
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
alinakuzmenkov
1) 7x^2-28=0
7x^2=28
x^2=28:7
x^2=4
x1=2
x2=-2
2) x^2-11x+24=0
D=121-96=25
x1=(11+5)/2=8
x2=(11-5)/2=3
3) x^2-10x+25=0
D=100-100=0
x=5
4) 2x^2-x-15=0
D=1+120=121
x1=(1+11)/4=3
x2=(1-11)/4=2,5
0 votes
Thanks 1
More Questions From This User
See All
ranetkaregina
August 2022 | 0 Ответы
perimetr ravnobedrennogo treugolnika raven 100 a ego osnovanie ravno 48 najdib940e5186ad2cf0404cce7ca4900b018 47451
Answer
ranetkaregina
July 2022 | 0 Ответы
35=...
Answer
ranetkaregina
July 2022 | 0 Ответы
plan analiza obraza pomeshika manilova po planu 1 portretnaya harakteristika 2
Answer
ranetkaregina
October 2021 | 0 Ответы
najdite korni uravneniya h v kvadrate 3h28
Answer
ranetkaregina
October 2021 | 0 Ответы
x=26...
Answer
ranetkaregina
October 2021 | 0 Ответы
knizhnyj magazin zakupaet uchebniki po optovoj cene 140 rublej za shtuku i prodayot
Answer
ranetkaregina
October 2021 | 0 Ответы
najdite znachenie vyrazheniya 01 10 v 3 stepeni 10
Answer
ranetkaregina
September 2021 | 0 Ответы
2 v korne 2 kak eto sdelat obyasnite ponyatno pliz pochemu my 2 ubiraem za kore
Answer
ranetkaregina
September 2021 | 0 Ответы
2 v korne 2
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 "помогите решить плиз:1) 7х в квадрате -28=0;2) х в квадрате -11х024=0;3)х в квад..."
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
7x^2=28
x^2=28:7
x^2=4
x1=2
x2=-2
2) x^2-11x+24=0
D=121-96=25
x1=(11+5)/2=8
x2=(11-5)/2=3
3) x^2-10x+25=0
D=100-100=0
x=5
4) 2x^2-x-15=0
D=1+120=121
x1=(1+11)/4=3
x2=(1-11)/4=2,5