Предмет: Алгебра, автор: Legit1337

8х^2-8х
------------ : (2x-2) * х, если х = 2,5 ; -3,4
х+3

Ответы

Автор ответа: mukail57p7ruo2

8х*(х-1). 1
4х
8х(х-1). 1. 4х. 4*2,5. 10
-----------* -----------= --------- = --------. = -------- =

х+3. 2(х-1). х+3. 2,5+3. 5,5
100 20 9
--------------=. -------=1------
55. 11. 11

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7TH FORM. TEST 2
READING
I. Read the dialogue again and mark the statements as True, False or Not stated
Anna: Have you watched the news?
Christine: Not yet, what happened?
Anna: There was a crime rate report of our city.
Christine: Oh, really? Has it increased?
Anna: Yes! And I want to install a new alarm system because there are a lot of burglars now.
Christine: It's reasonable. And be careful with your keys. You shouldn't leave them near the open window.
Anna: Oh, yes! I didn't think about that, thank you.
Christine: Welcome! My husband is very careful. He taught me what to do.
Anna: Can you share with me?
Christine: Sure! Here are some rules:
• check your chain on the door;
• don't forget to look through your peephole;
• don't let strangers in and always check their ID;
• take your mobile phone with you to the bedroom and switch it on.
Anna: Thank you so much! These rules are really simple.
Christine: Yes! So, it's easy to follow them. You know, better safe than sorry.
1. Anna wanted to install a new alarm system because her old one is broken.
2. There are a lot of burglars in the city where women live.
3. Christine's husband told her never to sleep with the switched on mobile phone.
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VOCABULARY
II. Complete the sentences with the correct word.
Ugly – scar – cute – curly – slim - in her forties
1. The Wicked Witch was so __________________ . So she scared me.
2. She is on a diet. She wants to be__________________ .
3. My aunt looks like a teenager. But she is __________________ .
4. My little sister is so__________________ in this picture.
5. When I was a teenager, I had straight blond hair. Now I have dark__________________ hair.
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5. round – fair – dark – curly
6. ordinary – typical – incredible – usual

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IV. Put the word in correct form.
1. John was very_______________ (tire) after the football match.
2. I was really_______________ (bore) watching that film.
3. Helen is_______________ (scare) of snakes.
4. Mum said she was really_______________ (disappoint) in us.
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1. Larry _______________ (play) computer games while his brother _______________ (chat) with a friend yesterday evening.
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8х^2-8х ------------ : (2x-2) * х, если х = 2,5 ; -3,4 х+3

Ответы

8х^2-8х
------------ : (2x-2) * х, если х = 2,5 ; -3,4
х+3