Предмет: Алгебра, автор: agressive82

Построить графики функций, предварительно выразив у через х:


а) 3х + у = 3
б) 2х – у = -1
Помогите пожалуйста

Ответы

Автор ответа: kkobrrra
0

a) линейная функция

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Предмет: Английский язык, автор: Марина1888
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Vernon Davies lived in London and kept birds,
which were called budgies ( попугайчик). One day he phoned his friend and asked to feed
the birds as he was going to Wales for a week. He said he'd leave food ready
in his kitchen. A key to his front door would be left in the letterbox of
his friend's flat.
His friend forgot about the birds untill the night
before Vernon was going to return. He also forgot about the key and tried
to get to Vernon's house through a window. He thought that poor birds would
either be dead or dying.
As a result, when he reached the window, a policeman
came and shone a torch at him, asking what was he doing there.
"Oh", -he said,- "I was just going
to get in to give some food to Mr Davies' birds!"

1.
Выберите предложения , не соответствующие содержанию текста 

  a/ Vernon's friend was
absent-minded 

  b/ His
friend got at the house as people usually do
 
 c/ Vernon's
birds had to be fed
  
d/ A
policeman wanted to know about the friend plans
2.
Выберите правильный ответ на вопрос 

  Why couldn't Vernon
himself give his bird anything to eat?

   a/ He
had no wish to do it
 
 b/ He
had no money to buy food
  
c/ He
was leaving the town
 
 d/ His
wife could do it
 3.
Выберите правильный ответ на вопрос
  
How did Vernon Davies
want his friend to get into his house?

   a/ It
was open all the time 

  b/ There
was a key left for him
 
 c/ He
could phone Vernon and ask to open it
 
 d/ There
was a policeman in the house

4.
Выберите правильный ответ на вопрос 

  How was the friend trying
to get in?
 
 a/ He
found the window to get in
 
 b/ He
brought a key with him
 
 c/ He
was not going to get in at all 

  d/ He
asked a neighbour to open the door

5.
Выберите правильный ответ на вопрос 

  What did  he say to explain the situation? 

  a/ He
said he was waiting for Vernon Davies
 
 b/ He
said he wanted to climb
 
 c/ He
said he lived in that house 

  d/ He
said there was someone to be given something to eat

6. Выберите нужное
 
 If the
weather... fine, we shall go skating
 
 a/ was
 
 b/ were
 
 c/ is
 
 d/ will
be
 7. I drink...coffee. I don't like it

   a/ few 

  b/ any
 
 c/ very
little 

  d/ a
few
 8. What shall I do? I... my key
 
 a/ had
lost
  
b/ have
been lost 

  c/ have
lost 

  d/ lost

9.I'll be back...half an hour
 
 a/ at
 
 b/ for
  
c/ in
  
d/ till

10. Harry is looking... a job. He wants to work
in a hotel
  
a/ for
 
 b/ about
  
c/ -
  
d/ through

11. He... swim very well when he was young
  
 a/
can
   
b/
could
  
 c/
may
 
  d/
ought to

12. Nobody... went to the concert enjoyed it very
much
   
a/
what
   
b/
who
  
 c/
which
  
 d/
whom

13. Закончите вопрос
    The
family likes to  watch TV in the evening,...it?
  
 a/
didn't
  
 b/
doesn't
  
 c/
wasn't
  
 d/
won't

14. Выберите правильный ответ
    We
buy ... bread from a bakery near our house
    a/
the 

   b/
-
   
c/
a
  
 d/
any
 15. The two men are in  Germany....
 
  a/
on business
  
 b/
in busuness
 
  c/
by business
  
 d/
business

16.  Выберите правильную реплику
    -Hello. ........
    -Single or return?
  
 a/
Where is the lift?
 
  b/
I'd like a ticket to London
   
c/
I'd like to book a room for 2 days
   
d/ I'm married

17.
Предложите товарищу встретиться завтра
   
a/ I am busy to morrow
 
  b/
May I ask you something
   
c/
I am sorry to trouble you
  
 d/
Why don't we meet to morrow

18. Выберите нужное
    ....described
life in England and showed how hard it was
    for
the poor and children                            
   
a/
William Shakespeare
 
  b/
George G. Byron
 
  c/
Charles Dickens          

   d/
Victor Hugo
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