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dashabar1208
@dashabar1208
December 2021
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помогите плес. 9 класс. постарайтесь решить правильно)
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Pacanka202
Решение смотри на фото
0 votes
Thanks 1
ВладимирБ
(4;4) не подходит по одз: в знаменателе 0
ВладимирБ
Verified answer
Ху–6х–4у+24=0
у–4=2х+2у–16
ху–6х–4у+24=0
–у=2х+4–16
у=12–2х
х(12–2х)–6х–4(12–2х)+24=0
12х–2х^2–6х–48+8х+24=0
–2х^2+14х–24=0 |:(-2)
х^2–7х+12=0
Д=/49–4•1•12=/1=1
х1=(7+1)/2=4
х2=(7–1)/2=3
у1=12–2•4=4
у2=12–2•3=6
Ответ: (4;4) (3;6)
1 votes
Thanks 1
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Verified answer
Ху–6х–4у+24=0у–4=2х+2у–16
ху–6х–4у+24=0
–у=2х+4–16
у=12–2х
х(12–2х)–6х–4(12–2х)+24=0
12х–2х^2–6х–48+8х+24=0
–2х^2+14х–24=0 |:(-2)
х^2–7х+12=0
Д=/49–4•1•12=/1=1
х1=(7+1)/2=4
х2=(7–1)/2=3
у1=12–2•4=4
у2=12–2•3=6
Ответ: (4;4) (3;6)