Home
О нас
Products
Services
Регистрация
Войти
Поиск
Kristinaa99
@Kristinaa99
June 2022
1
5
Report
РЕшите квадратное уравнение!!!!!!!!!!!!!!!!
а) x^2+14x-23=0
б) -x^2+x=0
в) x+8-9x^2=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
lallalka
А)
x^2+14x-23=0
D=14^2-4*(-23)=196+92=288
х1=
-14+
√288=
-7+4
√18
2
х2=
-14-
√288
=-7-4
√18
2
б) -х^2+x=0 /*(-1)
х^2-x=0
x*(x-1)=0
x=0 x=1
в)
x+8-9x^2=0
-9x^2+x+8=0 /*(-1)
9x^2-x-8=0
D=(-1)^2-4*9*(-8)=1+288=289
x1=
1-17
=
-16
=
-8
18 18 9
x2=
1+17
=1
18
0 votes
Thanks 0
More Questions From This User
See All
Kristinaa99
August 2022 | 0 Ответы
tex]...
Answer
Kristinaa99
August 2022 | 0 Ответы
reshit uravneniya pozhalujstaaaaaaaaaaaaaaa
Answer
Kristinaa99
July 2022 | 0 Ответы
reshite sistemu neravenstvbdce87b6c934e8a72c1780aed8703ab6 18472
Answer
Kristinaa99
July 2022 | 0 Ответы
1podcherkni gramoticheskuyuosnovu2 vypeshite povtoryayushie slova i odnorodnye chle
Answer
Kristinaa99
July 2022 | 0 Ответы
reshite pozhalujsta na liste 2 i 3 i skite syudapozhalujstaa
Answer
Kristinaa99
July 2022 | 0 Ответы
pochemu pervuyu polovinu xix v nazyvayut zolotym vekom russkoj kultury
Answer
Kristinaa99
July 2022 | 0 Ответы
napishite ochen kratko1dajte harakteristiku odnoj iz reform epohi nikolaya
Answer
Kristinaa99
July 2022 | 0 Ответы
otzyv po proizvedeniyu kuprina olesyaf20023bd5e2ea6bfedc854e0545e247d 39436
Answer
Kristinaa99
July 2022 | 0 Ответы
tex]-sinx...
Answer
Kristinaa99
July 2022 | 0 Ответы
sek 5 najdite ploshad krivolinejnoj trapecii ogranichennoj liniyami y2x2 y0
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 квадратное уравнение!!!!!!!!!!!!!!!!а) x^2+14x-23=0б) -x^2+x=0в) x+8-9x^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 © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
D=14^2-4*(-23)=196+92=288
х1=-14+√288= -7+4√18
2
х2=-14-√288=-7-4√18
2
б) -х^2+x=0 /*(-1)
х^2-x=0
x*(x-1)=0
x=0 x=1
в) x+8-9x^2=0
-9x^2+x+8=0 /*(-1)
9x^2-x-8=0
D=(-1)^2-4*9*(-8)=1+288=289
x1=1-17=-16=-8
18 18 9
x2=1+17=1
18