bai tap tieng anh lop 9 unit 2 co dap an

... 6x2 - 4x = 3/ x3 - 5x2 - x + = 2/ (x + 1)3 - x + = (x- 1)(x -2) 4/ ( 5x2+ 3x+ 2) 2 = ( 4x2 - 3x- 2) 2 Dạng Đa PT bậc hai PP đặt ẩn phụ 1/ 36x4 + 13x2 + = 2/ x4 - 15x2 - 16 = 3/ 3x4 + 2x3 - 40x2 ... vô tỉ 1/ x x + = 20 02 4/ x- 2/ y 20 y + 50 = 50 5/ x 22 x3 = 3/ 43 x = x 6/ x +2 x6 = x = 7/ 3x2 - 14|x| - = 8/ | x2 - 3x + 2| = x - 9/ | x2 - 3x - | = |2x2 - x - 1| 10/ x2 - x - = Bài Giải ... trình Nhơ sau:cảm ơn: 097 6 108 0 32 (x- 1)( x - 2) = 10 - x x2+ 2( + ) x + = (2x + 1) ( x+4) = (x-1) (x- 4) 4.a) x2 + ( x + 2) 2 = b) x( x + 2) - = x2 =0 16 5/ 5x2 - 2x + = 13 6/ x2- x - = Bài Giải

Ngày tải lên: 04/10/2016, 17:33

... apples D erasers D changes D bats D desks “The harder you work -> The more successful you get” 21 A heavy 22 A honor 23 A honest 24 A chopstick 25 A watch 26 A chemistry 27 A exchange B honor B hour ... rule Since 193 1 Canada has been an independent member of the British Commonwealth English and French are both official language in Canada Canada is a densely populated country ………………… Canada is ... ngữ “it, he, she danh từ số + has” Quá khứ đơn Hiện hoàn thành thời gian + ago for + thời gian in/ at/ on + mốc thời gian since + mốc thời gian Eg: She began working in this company ten years ago

Ngày tải lên: 27/07/2020, 21:22

... The program can both _ and entertain young audiences A educated B education C educational D educate 19 The _ I like best is Xuan Bac A comedy B comedian C fun D funny 20 Where are ... question, you see four answers Only one answer is correct You have to choose the correct answer If you don't know the answer to a question, there are three ways you can get help: you can ask the quizmaster ... the studio b Answer the questions. 5 Who is the quizmaster in Britain? 6.How many ways can you get help? 7 How many questions you have to answer? 8 In how many countries can you watch the

Ngày tải lên: 01/02/2021, 09:12

... 24 b 25 B A 11.b 12. c 13.d 14.d 15.a 16.d 17b 18.c 19. a 20 .b B. 21 .d 26 .d 36.d 22 .c 27 .c 37.a 23 .d 28 .d 38.c 24 .b 29 . b 39. d 25 .b 30.a 40.d (20 )III A. 46.d 47 C 48.a 49. b 50.d 51 c 52 ... 9. c 10.a II. C 41 A (Having been found) 42 A (will) 43 C (which they can) 44 A (Had) 45 C (thoroughly) II A. c a d c 10 c 11 a 12 b 13 c 14 a 15 b B. 16 d 17 d 18 c 19 b 20 d 21 d 22 d 23 ... through 37 condition 38 finals 39 Graduates 40 doctorate 41 formerly 42 Grant 43 Tuitions 44 concern 45 education B 46 T 47 F 48 T 49 F 50 F 51, T 52 T IV. 53 a 54 c 55 d TEST 2 I A. 1.c 2. d 3.b

Ngày tải lên: 23/02/2021, 17:17

... 57, d 58 c 59 d 60 b TEST 2 I A. d a c b c B. b a b c 10 a II A. 11 a 12 c 13 b 14 d 15 b 16 c 17 c 18 b 19 b 20 c 21 a 22 c 23 d 24 a 25 c B. 26 b 27 b 28 c 29 c 30 d 31 b 32 a 33 c 34 ... 21 b 22 c 23 c 24 d 25 c 27 d 28 a 29 c 30 b C 31 D (about) 32 C (of charge) 33 C (having to) 34 B (receive) 35 C (further) III A 36 preschool 37 includes 38 junior 39 twelfth 40 advanced 41 ... funding from central government and the council tax In 198 8 secondary schools and larger primary schools were encouraged to opt out of LEA control and become grant-maintained Some children go

Ngày tải lên: 23/02/2021, 17:17

... (followed) D (past) C (cure) 10 A (affect) 1l.D ' 12. C 13.C 14.B 15.D 16.B 17.A 18.D 19. B 20 .B 21 .C 22 B 23 .D 24 .A 25 .D 26 .A 27 .B λ 28 .D 29 . C 30.B II FIND A WORD 1 catch spread risked widen ... on ; 7/ of ; 8/ of 9/ as ; 10/ to 11/ upon ; 12/ at ; 13/ than ; 14/ to ; 15/ and ; 16/ for 17/ beyond ; 18/ of ; 19/ as ; 20 / and ; 21 / of ; 22 / within ; 23 / of ; 24 / of UNIT ~ THE STORY OF ... ( 19) _ education (20 ) _ recreation The council may be a part (21 ) _ a community chest, or it may be the larger entity and include (22 ) _ it a community chest The national association (23 )

Ngày tải lên: 04/03/2021, 13:55

... (1)Bài tập tiếng Anh lớp 12 unit có đáp án Bài tập tiếng Anh lớp 12 unit chủ đề Higher Education theo sách giáo khoa, em tham khảo để luyện tập nhà UNIT 5: HIGHER EDUCATION I Put ... The new arrangements have caused a great deal of concern both among students and among members of te public who believe that education should be ( 12) ……… IV Complete the following conditional ... The new arrangements have caused a great deal of concern both among students and among members of te public who believe that education should be ( 12) ……… IV Complete the following conditional

Ngày tải lên: 05/03/2021, 09:42

... Chopping uncooked food, please use this separate knife This air conditioner is installed to keep it cool in summer and making it warm in cold winter You can use this to find the meaning of a ... B lefthandedness C left-handed A divided B cut C even D and is so D no article D even though D lefthander C subtracted D separated A conquers B controls C contrasts D consists A on B to C from ... which is closest in meaning with the given one Second prize was awarded to an unknown author from Pastra A An award of second prize was given an unknown author from Pastra B An unknown author from

Ngày tải lên: 20/12/2021, 21:06

... GIAOVIENVIETNAM.COM C fact D adventure 18 The program can both _ and entertain young audiences A educated B education C educational D educate 19 The _ I like best is Xuan Bac A comedy B comedian ... question, you see four answers Only one answer is correct You have to choose the correct answer If you don't know the answer to a question, there are three ways you can get help: you can ask the quizmaster ... 6.How many ways can you get help? How many questions you have to answer? In how many countries can you watch the quiz show? How much you win for the fourteenth question? VII Fill in each blank with

Ngày tải lên: 07/06/2022, 17:47

... students in England and Wales and some other countries, usually around he age of 16 IV Complete these sentences using one of these verbs in the correct passive form: give (2) , use, control manufacture, ... first 1 “Thatˆs correct The new ring road will be built through the wood.” The øovernmer c2 22 x 2 The architect has drawn plans for an extension to the house Trang 6 VNDOC.COM Vadce - Tai ... that is a mis-collocation in each of the sentences 1 I can’t come out I’m studying I’m passing an examination tomorrow 2 Congratulations! I hear you succeeded your examination! 3 You can study a

Ngày tải lên: 13/09/2016, 11:32

... 2x2 - 7x = 2/ x + x=0 7/ 4x2 - 64 = 8/ 4x + 25 = 3/ 5x - 3x2 = 5/ -4x2 + 18 = 7x x=0 14 4/ Hoàng Văn Phư 9/ 9x + 16 = ơng 10/ 36 x = 2 An Lạc Chí Linh Hải Dương 6/ - 5x2 - = 11/ 25 x2 - = 12/ ... 6x2 - 4x = 3/ x3 - 5x2 - x + = 2/ (x + 1)3 - x + = (x- 1)(x -2) 4/ ( 5x2+ 3x+ 2) 2 = ( 4x2 - 3x- 2) 2 Dạng Đa PT bậc hai PP đặt ẩn phụ 1/ 36x4 + 13x2 + = 2/ x4 - 15x2 - 16 = 3/ 3x4 + 2x3 - 40x2 ... vô tỉ 1/ x x + = 20 02 4/ x- 2/ y 20 y + 50 = 50 5/ x 22 x3 = 3/ 43 x = x 6/ x +2 x6 = x = 7/ 3x2 - 14|x| - = 8/ | x2 - 3x + 2| = x - 9/ | x2 - 3x - | = |2x2 - x - 1| 10/ x2 - x - = Bài Giải

Ngày tải lên: 13/09/2016, 13:32

... = m2 – 2m + = (m – 1 )2 ≥ với m Vậy phương trình có nghiệm với m b) Gọi x1 , x2 nghiệm phương trình Do : x 12 + x 22 = ⇔ (x1 + x2 )2 – 2x1x2 = ⇔ (5m – 1 )2 – 2( 6m2 – 2m) = ⇔ 25 m2 + – 10m – 12m2 + ... Câu 2: a) vẽ đồ thị (D) hàm số y = ĐÁP ÁN Câu 1: a) 2x2 – 3x – = ta có : ∆ = (-3 )2 – 4 .2. ( -2) = 25 > 3+5 3−5 = , x2 = =− Vậy x1 = 2. 2 2. 2 x = ? ?2 x + y = ? ?9 x = 18  ⇔ ⇔ b)  5 x − y = 12 ? ?2 ... vô tỉ 1/ x x + = 20 02 4/ x- 2/ y 20 y + 50 = 50 5/ x 22 x3 = 3/ 43 x = x 6/ x +2 x6 = x = 7/ 3x2 - 14|x| - = 8/ | x2 - 3x + 2| = x - 9/ | x2 - 3x - | = |2x2 - x - 1| 10/ x2 - x - = Bài Giải

Ngày tải lên: 04/10/2016, 17:32

... Tiếng Anh lớp đây: Bài tập Tiếng Anh lớp theo Unit: https://vndoc.com /tieng- anh- lop- 9 Bài tập Tiếng Anh lớp nâng cao: https://vndoc.com /tieng- anh- pho-thong -lop- 9 Bài tập trắc nghiệm Tiếng Anh lớp ... TIẾNG ANH LỚP THEO TỪNG UNIT UNIT 2: CLOTHING I Complete the following sentences with an appropriate form of the words in parentheses It’s becoming _ to wear short skirts and faded jeans ... D constrainedly C Second D Two C sizeable D sizer B Finally C Finalize B conclusivenience B inconvenience D Finality C conclusive D conclusion C Convenient D inconvenient V Choose the best answer

Ngày tải lên: 14/01/2023, 10:12

... the need to pass a law in nature’s…………… Many species of plants and animals have been virtually…………… 8 Trees, grasses, and other plant life play an important part in the natural…………… of water Modern ... found as many species (6) have been/ are in danger of disappearing completely from the face of the earth The dangers, however, (7) not confine/ are not confined solely to the land and the sea ... probably wood As time (1)……… man eventually discovered that substances such as coal and oil (2) ……… Coal (3)……… very widely as a source of energy until the last century With the coming of the industrial

Ngày tải lên: 27/03/2018, 11:44

... playing badminton now? 18 gets up 19 watch 20 go 21 has 22 am reading, is watching 23 lives, lives 24 are playing 25 get up 26 goes, does 27 is telling 28 are 29 Is he watching TV at 7.00 every ... listening on the radio? 19 Is he playing sports? 20 . goes 21 read, listen, watch 22 . play 23 . likes 24 Is your mother walking to the market now? 25 . are running 26 Does Son write to their ... radio? 19 _he (play) sports? 20 Everyday she (go) to work by bike 21 We usually (read) _books, (listen) _to music or (watch) _TV 22 Sometimes, I (play) badminton 23 Ann

Ngày tải lên: 22/01/2021, 08:49

... over and have finally come to a decision The manager wanted to know if the accountant had been misappropriating company funds No sooner had the burglars left the building than someone rang the ... population The organization has also cooperated (4)……………local blindness prevention agencies in more than 29 countries such as Viet Nam, Thailand, China, and India to (5)……………and prevent avoidable ... discussion, but Jane didn’t…………….in She just listened 12 Come and see us more often You must…………….in any time you like 13 We are still discussing the contract There are still a couple of things

Ngày tải lên: 23/03/2021, 18:25

... Choose the best answer among A, B or C to complete the letter Dear Minh, Hi I'm your exchange student(1) England My name is George and I'm 12 years old I (2) with my parents and two sisters ... your cousin Anh look like? => He very tall and he big eyes with a pair of glasses A isn't - have B is - have C isn't - has D don't - has 15 Jane's _ colours are red, white and ... the following passage and as directed The colour you paint the rooms in your house can make you more comfortable The following colours can help you to eat, sleep, study and relax in your own

Ngày tải lên: 19/02/2021, 18:00

... serves In 20 02, 86 percent of Americans (16) _ age 25 and 29 had graduated (17) _ high school, 58 percent had (18) _ at least some college, and 29 percent had earned at ( 19) _ a bachelor’s ... the computer to a document or Web page (9) _ on another computer ( 39) computer that connects to the Internet The Web has become a (14) _ for many companies selling products or services, and ... was developed by A an American B a British C a Canadian D a French 2/ The scientist who developed the World Wide Web was majoring in A math and physics B math and computer C computer and physics

Ngày tải lên: 04/03/2021, 14:09

... 17/ a 18/ the ; 19/ a ; 20 / a ; 21 / a ; 22 / the ; 23 / the ; 24 / the 25 / The ; 26 / X ; 27 / the ; 28 / the ; 29 / a ; 30/ the 31/ the ; 32/ a ; 33/ the ; 34/ the ; 35/ the VI/ Use the correct form of ... on ; 7/ of ; 8/ of ; 9/ as ; 10/ to 11/ upon ; 12/ at ; 13/ than ; 14/ to ; 15/ and ; 16/ for 17/ beyond ; 18/ of ; 19/ as ; 20 / and ; 21 / of ; 22 / within ; 23 / of 24 / of UNIT UNDERSEA WORLD A ... serves In 20 02, 86 percent of Americans (16) _ age 25 and 29 had graduated (17) _ high school, 58 percent had (18) _ at least some college, and 29 percent had earned at ( 19) _ a bachelor’s

Ngày tải lên: 10/04/2021, 00:03

... 17/ a 18/ the ; 19/ a ; 20 / a ; 21 / a ; 22 / the ; 23 / the ; 24 / the 25 / The ; 26 / X ; 27 / the ; 28 / the ; 29 / a ; 30/ the 31/ the ; 32/ a ; 33/ the ; 34/ the ; 35/ the VI/ Use the correct form of ... on ; 7/ of ; 8/ of ; 9/ as ; 10/ to 11/ upon ; 12/ at ; 13/ than ; 14/ to ; 15/ and ; 16/ for 17/ beyond ; 18/ of ; 19/ as ; 20 / and ; 21 / of ; 22 / within ; 23 / of 24 / of UNIT UNDERSEA WORLD A ... serves In 20 02, 86 percent of Americans (16) _ age 25 and 29 had graduated (17) _ high school, 58 percent had (18) _ at least some college, and 29 percent had earned at ( 19) _ a bachelor’s

Ngày tải lên: 10/04/2021, 06:10