3x-y=5 xy=2 решите систему уравнений
КириллSOS
1
21.07.2019 12:10
0
Другие вопросы по теме Алгебра
kosenkoanton72
04.04.2020 02:05
садагат2
04.04.2020 01:54
Winny1111
04.04.2020 02:17
FCMM
04.04.2020 01:53
kerimagaevakk
04.04.2020 01:55
Zer2806
04.04.2020 01:49
mashA2007111
04.04.2020 01:43
MishaChaos1
22.09.2019 09:10
khairulliniljap00rzn
22.09.2019 09:10
Популярные вопросы
- Game: Where’s Sam? Is he under the chair? Is he in the train...
3 - Let’s play In my house, there are two. They are blue. They are in...
2 - Match the rhyming words 1 bear a) Jack 2 dear b) there 3 blue c)...
2 - Write the plurals 1 baby 3 shelf 2 glass 4 box 5 dish 6 sandwich...
2 - Read and match. There is one extra picture 1 This is a cottage in...
2 - Listen and point. Then sing along This is my house, It’s number...
2 - Look at the picture for one minute. Close your books. Answer your...
3 - Arthur + Rascal 1.Quick, Rascal! Tricksy’s in the house. — Oh, 2.Arthur,...
2 - Look, read and complete This is our 1) house. It is a big house!...
3 - Ask and answer How many sofas are there? There are two How many...
3
3x=y+5
x=(y+5)/3
xy=2
x=2/y
y=2/x
х(3х-5)=2
3х^2-5х-2=0
х1=2
х2=-1/3
дальше подставляем иксы и находим игрики.
2у=2, у1=1.
-1/3у=2, у2=-6.
ответ: (2;1) и (-1/3; -6)