Bài 1: tìm x

(3x + 2)² = 2x .(2x +3) +4

Bài 2: cho A, B và Q là các đa thức ( B ≠ 0) Tìm Q

(1)A= 8 - x³ - 2x + x²; B = 2-x và A= B .Q

(2) A= 2x³ - 3x² + 3x - 9 ; B= 2x-3 và A= B .Q

(3) A = 3x⁴ +2x³ - 4x² - 6x - 15 ; B= x² - 3 và A= B .Q

(4) A= 8x³ - 18x² + 5x - m chia hết cho đa thứcB = 2x - 3

(5) A= 3x³ - 10x² + 17x - 12

B= 3x - 4

(6) A= 2x³ - x² + 5x - 12

B= 2x - 3

(7) A= 8x³ - 1 ; B= 2x - 1

(8) 3x⁴ + 2x³ - 4x² - 6x - 15

B= x² - 3

(9) A= x⁴ - 4x³ - x² + 24x - 30

B= x² - 6

(10) A=x⁴ - 3x³ + 8x² - 15x + 15 B= x² - 6

(11) A= 3x² - 10x² + 17x - 12

B= 3x - 4

(12) A= 2x³ + 9x² + 9x - 7

B= 2x - 1

(13) A= 2x³ + x² + 3 - x

B= 2x + 3

Giúp mk nha

Arrange the words or phrases to make complete sentences.

1. am/ enough/ tall/ to/ not/ I/ ceiling/ reach/ the/./

.........................................................

2. intention/ He/ of/ no/ fishing/ has/ on/ going/ weekend/ the/./

.........................................................

3. it is necessary/ to learn English/ everyday./ for you/ I think

.........................................................

4. to invite you/ to/ my birthday party/ ,but/ there was/ last night/ I telephoned/ no answer

.........................................................

5. large piece/ where/ your clothes/ Wardrobe/ of furniture/ can hang/ is/ you/ a

.........................................................

6. to invite/ my/ I/ phoned/ you to/ birthday/ last night/ party/ no answer/ but/ there are

.........................................................

7. and drugs/ put/ You/ locked cupboards./ must/ in/ all chemicals

.........................................................

8. at/ The bell rings/ into/ all the students/ and/ go/ past ten/ the yard./ half

.........................................................

9. of/ library./ the/ and quiet/ brother/ My/ peace/ the local/ likes

.........................................................

10. we/ early/ the house/ Tomorrow/ we/ at 5 o'clock./ will leave/ get up/ must/ because

.........................................................Giúp mk nha

I. Choose the most appropriate word phrase to fill in each blank.

21. Where's the car? It's not in the house. It's ...........................

A. Inside

B. Outside

C. Downstairs

D. Upstairs

22. He was angry with me ...................... I was late.

A. So

B. Where

C. So that

D. Because

23. She is looking at ..................... in the mirror.

A. Myself

B. Herself

C. Himself

D. Ourselves

24. Her parents don't let her ......................... at night.

A. To go out

B. Goes out

C. Go out

D. Going out

25. ......................... is a thing that you use in a kitchen for cooking food.

A. Cooker

B. Refrigerator

C. Cook

D. Counter

26. My classmates and I ........................... have a picnic tomorrow.

A. Am going to

B. Are going to

C. Is going to

D. Will go

27. He likes telling jokes. He has a ...................... of humor.

A. Smell

B. Mind

C. Feeling

D. Sense

28. I find Long is not communicative. He's rather ...................... in public.

A. Reserved

B. Kind

C. Noisy

D. Talkative

29. In this dry season, you must take .................................... against fire.

A. Precaution

B. Watch

C. View

D. Care

30. Hanh: ' Can I speak to Hoa, please?'- Trang:' .....................................'

A. Yes, that's fine

B. Yes, I'd love to

C. I'm sorry. She's out

D. That's a good idea

31. Mrs. Vui bought new furniture ................................ her living room.

A. In

B. For

C. At

D. To

32. Mrs. Quyen is at her local ...................... center.

A. Community

B. Communal

C. Common

D. Commmunally

33. Dave has a good sense of ............................ .

A. Humorous

B. Generosity

C. Humor

D. Generous

34. It is ............................... to keep medicine in looked cupboard.

A. Safety

B. Unsafe

C. Safe

D. Safely

35. Let's paint the house ............ . It will be cheaper.

A. Ourselves

B. Yourself

C. Herself

D. Themselves

36. He bought a .............................. yesterday.

A. Back big car

B. Back car big

C. Big black car

D. Big car black

37. ......................, he lost the keys on the way home.

A. Lucky

B. Luckily

C. Unfortunate

D. Unfortunately

38.

Ted was putting his clean clothes away in the .....................

A. Desk

B. Wardrobe

C. Reftigenator

D. Bookshelf

39. His parents died and now he is living in an ..........................

A. Orphan

B. Orphanage

C. Orphaned

D. Orphan house

40. From the tower, they looked down on the city ............

A. Above

B. Beneath

C. Over

D. Next

41. He felt and hurt ...................... badly yesterday afternoon.

A. Her

B. Herself

C. Himself

D. Myself

42. He ............................ wear a suit to work, but he usually does.

A. Doesn't have to

B. Mustn't

C. Have to

D. Must

43. ........................... don't you ask Kate to go with you?

A. When

B. Why

C. What

D. Who

44. The .................... put too much salt in the food.

A. Cook

B. Cooker

C. Stove

D. Oven

45. Her sister is a .......................... student. She always gets good grades.

A. Kind

B. Confident

C. Lazy

D. Hard-working

46. Our neighbor always show ......................... when we play music too loud.

A. Character

B. Sociability

C. Annoyance

D. Volunteer

47. Modern life needs lots of electrical ......................... .

A. Directory

B. Novel

C. Exhibition

D. Devices

48. Nga has a movie ticket, so she ....................... to see a movie tonight.

A. Goes

B. Is going

C. Going

D. Are going

49. Hoa: ' Would you like anything else?' -Trung ................

A. That's all. Thank you

B. Two, please

C. Yes, I like everything

D. Yes, I would

Giúp mk nha

I. Choose the most appropriate word or phrase to fill in each blank.

10. They ............. from Canada to America to find work.(immigrated, demonstrated, came, emigrated)11. The football match was .................... live all over the world.(arranged, traveled, transmitted, demonstrated)12. Movie theater is a(n) .................. in whichmovies are shown.(building, apartment, flat, cottage)13. It's easy to find my school. It's ................ the ABC Bank.(under, opposite, next, between)14. They ........... from Canada to America to find a job.(left, immigrated, came, emigrated)15. I think you are better to wait .................... for your turn.(upstairs, inside, downstairs, outside)16. That woman .......... a new ideas for increasing sale last month.(get used to, take care of, came up with, used to have) 17. Bill is a kind of person who doesn't đó what he says. He's so .............(reliable, sociable, unreliable, easy-going)18. Deaf-mutes can .............. speak ................. hear(both-and, neither-nor, either-or, not only-but also)19. Can you give her a message for me?-(yes, certainly/ thank you/ I don't know/ you're welcome)20. He rarely shows his feelings. He's rather ....................(reserved, sociable, humorous, helpful.

Giúp mk nha

I. Chose the most appropriate word or phrase to fill in each blank.

1. My grandma looked ............... us when my parents were away from home.( for, after, at, up)2. She wore a hat to ................... the sun out of her eyes.( make, let, get, keep )3. My child can't wash his face ...................( myself, itself, himself, herself)4. After the death of his parents, he was sent to a(n) ................... (orphan, age, planet, hospital school)5. Mrs. Lien said you could reach her .................... 8603530 (on, to, in, at)6. Deaf-mutes can ............. speak ............... hear (both...and, not only...but also, neither...nor, eight...or)7. It was ............... of you to share your food with me.(sociable, generous, humorous, reserved)8.Her parents won't let her .......... ............. with her friends.(go out, goes out, to go out, going out)9. She came ................... with a new ideas for increasing sale.(on, up, in, over)

Giúp mk nha

Fill in M the black with a suitable preposition.

1. Can you fill (out/ on/ over/ down) this form for me?

2. Bell ( invents/ invented/ inventing/ invent) the telephone in 1876.

3. Sometimes my jokes ( cover/ choose/ fit/ annoy) them.

4. My brother is (too tired/ tired too/ enough tired/ very tived) to cook.

5. (Can I/ should you/ could/ could you) do me a favor? What can I do for you?

6. I'd like you to make a coffee for (me/ you/ myself)

7. My dad is out. Can you leave a (service/ person/ steamer/ message)?

8. He isn't (old enough to/ enough old to/ old enough/ enough old) work here

9. I used to live on a fam when I (am/ was/ will be/ was) a young girl

10. Tom, you'll have to cook dinner (yourself/ himself/ myself/ herself)

11. She asked me (to act/ act/ acting/ acted) very much 20 year ago.

12. We must be there (at/ from/ till/ between) 8.30 and 9.15

13. He's demonstrated his invention (success/ successful/ successfully)

14. He's out now . Would you like to leave a (straw/ wisdom/ tale/ message)?

15. How much time will you spend (on/ with/ to/ for) it?

16. His new wife is very cruel (with/ at/ to/ on) his daughter

17. Mom had to do everything (not/ without/ doesn't/ no) any help

18. Sometimes my jokes (over/ choose/ annoy/ fit) them

19. We're really proud (at/ of/ from/ with) you, Mike

20. Put all dangerous object out of children's (head/ distance/ reach/ order)

21. I bought this racket (tomorrow/ now/ yesterday/ tonight)

22. He spends his free time doing (hard/ business/ outside/ volunteer) work at a local orphanage.

23. Mr. Ha could (meet/ see/ reach/ called) her at 8645141 after lunch.

24. You must not let children (to play/ play/ playing/ played) in the kitchen

25. Miss Jackson asked me (to give/ give/ giving/ gave) you this dictionary

26. He's (strong enough to/ enough strong to/ strong enough/ enough strong) carry that suits.

27. Mr. Brown is the same age (as/ like/ from/ with) Mrs. Brown

28. Nam gets up early so as (revise/ to revise/ revesion/ revering) his lessons

29. He (used/ used to/ always/ like) smoke a lot when he was young

30. My brother is too tired (have/ to have/ having/ has) dinner

31. Exercises in this book are (difficult/ easy/ more difficult/ easily) than those in that book

32. Airmail is (the most/ like/ as more) expensive than surface-mail

33. Can you help me (do/ doing/ did/ does) this service? to her house

34. She told me (take/ to take/ took/ taking) these books to her house

35. Lan is Mr. Sang's (assist/ asstisting/ assistance/ assistant)

Giúp mình nha