câu 1 : 7*x^2 + 5*căn bậc hai(2) * x + 7 = căn bậc hai(x^4 + 1) cầu 2: 8x^4 + 8x^3 - 48x^2 + x + 40 < 0

I. Make questions for underlined words. 1. My brother watches TV three hours a day. ………………………………………………………………………….. 2. The news programme often finishes at 8 o’clock. ………………………………………………………………………….. 3. The new TV is ten thousand million dong. ………………………………………………………………………….. 4. We go to the English club twice a week. ………………………………………………………………………….. 5. I was at home yesterday. ………………………………………………………………………….. 6. My mother usually gets to works by bus. ………………………………………………………………………….. 7. The game show lasted for 2 hours and a half. ………………………………………………………………………….. 8. We should place the new fridge in the kitchen. …………………………………………………………………………..

II. Find a mistake in the sentence and correct it. ( Tìm và sửa lỗi sai ) 1. Although the football game was over, but the fans stayed in their seats cheering. 2. What do you compare the time you spend watching TV to the time you spend on other activities? 3. Nam didn’t win the race because of he ran too slowly. 4. Tom wants to go oversea and he does not have enough money. 5. It was late although they continued doing their work. III. Fill in the blank with the correct word form. 1. People in my country are very warm and ……………. (friend) 2. She looks more ………….. than her sister. (beauty) 3. They were really ………….to survive from the shipwreck. (luck) 4. I love the …………..of summer evenings in the countryside. (peaceful) 5. Those dogs look …………. (love) IV. Rewrite these sentences using the given words without changing its meaning. 1. My brother’s favorite action movie is “ Fast and Furious”. (best) -> My brother ……………………………………………………………… 2. How many kilos of rice would you like? -> How many kilos of rice do …………..…………..…………..…………..…...? 3. Tom was tired, so he couldn’t go to the party. (because) -> Tom couldn’t …………………………………………………………… 4. No fish in the aquarium were more beautiful than the colorful life fish. (most) -> The colorful …………………………………………………………….. 5. There is beef and chicken in the menu. -> The menu …………..…………..…………..…………..…………..……….. 6. I like salad best .-> Salad is …………..…………..…… 7. I want some iced tea because I am hot.-> I am hot …………..…………..…… 8. Mr. Long wants a cold drink. -> Mr. Long would like …………..…………..…………..…………..………… V. Find and correct the mistakes 1. Last summer, my parents buyed me a new bike. A B C D 2. I ate noodles for dinner but I wasn’t eat anything for lunch. A B C D 3. Although the football game was over, but the fans stayed in their seats cheering. A B C D 4. What are you going to invite to your birthday party next week? – Mary and Jerry A B C D VI. Read the passage and answer the questions below. The year 2030 Hi! My name is Nam. In 2030, I will live in Vietnam, on the one hundred and fifty- second floor of a tall apartment building. It will have a shiny white surface on the outside to reflect the sunlight and to keep it cool. On the inside, I will have central air conditioning. The big screen for me to watch movies will also be a fish tank. When it is switched off, I can see my pet fish swimming happily in it. I will own a sky restaurant. My restaurant will be in mid air. My customers will take a special lift in a capsule to enter my restaurant. In 2030, Vietnam will still be a beautiful country. However, the grass and trees are unlike those today. They will be mostly in shades of yellow or brown. Life on this time will not appear too different from today, expect that the weather will become hotter. 1. Which floor of the apartment will Nam live? ..................................................................................................................... 2. Why will the building have a shiny white surface on the outside? .............................................................................................................. 3. What will Nam have on the inside? ............................................................................................................ 4. How will customers enter Nam’s restaurant? ...................................................................................................................... 5. What will grass and trees in 2030 be like? ................................................................................................................................ VII. Complete the passage with the words given in the box exciting What about energetic never with often have can portable take John: What do American students (1)________ do at recess, Kate? Kate: They often (2)_________ part in different activities. Some (3)________ students play basketball. John: Do they (4)________ enough time? Kate: No. They (5)________ have time to play the whole game. They just practice scoring goals. John: (6)________ other students? Kate: They read, study, eat or drink, talk (7)________ friends and listen to music. John: Listen to music? How (8)________ they do? Kate: Well, they usually have (9)________ CD player with small earphones. John: Oh. What (10)________ r

Cho tứ giác ABCD. Vẽ đường thẳng d //BD cắt AD và AB lần lượt tại P và Q Vẽ đường thẳng d' //BD cắt BC và CD tại M và N. Cho biết hai đường thẳng MQ và NP cắt nhau tại K. cmr đường thẳng AC đi qua K

10 phân số bé hơn 1 các bạn giúp mình nhanh nhé mình đang cần gấp nhé.

Câu hỏi lớp $100$ nè: Giải ptrình lượng giác bậc cao: $sin^{15}(lna+b-e)-tan^{13}(2a-3lnb+5e)-cos^{7}(a.b-ln(2a-e))+3abe-2=0$.Cho biết $a+b=?$

cho hình vuông ABCD có cạnh 2cm E nằm ngoài sao cho ABE vuông tại E tính gia tri lon nhat cua DE

x+1 phần 4=4 phần 3 mọi người giải giúp

I.Choose the best answer to complete these following sentences. 1. People ................. that the earth is round before. A. were not used to believe B. used to believing C. would not use to believe D. did not use to believe 2. These city girls are used ................. in the field. A. to work B. used to lie C. would like D. to working 3. I am sorry I am not ................. fast. A. used to drive B. used to driving C. use to drive D. use to driving 4. Frank used to work in a small shop. He ................. A. doesn’t any more B. still does C. is now D. had never done anything else 5. I ................. in Jakarta. I’ve lived here all my life. A. am used to living B. used to living C. use to live D. am used to live 6. When I was a child, I ................. anyone 40 was old. A. used to think B. was used to thinking C. used to thinking D. was used to think II.Changed into negative and interrogative or question form.( chuyển sang 2 dạng còn lại ) 1. They used to play tennis twice a week. 2. I used to go to the gym three times a week. 3. Did Tennis use to be a sport for rich people only? 4. My father used to take me to see soccer games on Saturday. 5. Did He use to buy a new tennis racket.? …………………………………………………………………………………. III> Give the correct form of the verbs in brackets: used to + V or simple past. 1,I (not play) .................................computer games when I was a child, but now I (play) ................................... a lot of games in the evening. 2. Mike (not smoke) ................................... before going to the army. 3. There (be) ..................three parks in our village, but now there (be) ................... only one. 4. Murat (like) .................................. cheeseburgers, but now he (eat) .................................. healthy food. 5. She (not cook) ................... before she got married, but now she (cook) ................................... everything. 6. Alex (not have) ............................. a mobile phone, but now he (send) .............................. text messages easily. 7. When I was single, I (have) ................................... big parties in my house, but now I (watch) ................................... TV in the evenings. 8. When I was in Vietnam, I (watch) ....................... football matches at the stadium. Now I (watch) ................................... on TV every weekend. 9. A: you (drink) ...... a glass of milk every morning when you were a child? B: Yes, I did, but now I (drink) ................ a cup of coffee every morning. 10. My sister (love) ............................... classical music, but she (hate) .............................. it when she was younger. IV. Rewrite the sentences with "used to". 1. They often went to Da Lat in the summer. They 2. We usually played soccer in the past. We 3. I got up earlier when I had work. I 4. Tom did his homework in the evening. Tom 5. Lan wrote to Mary twice a month. Lan 6. He worked at night when he worked in the supermarket. He 8. She played badminton in her free time. She………………………………………………. 9. They went swimming in the afternoon in 1990. They 10. He was a doctor in that hospital. ->He………………………………………………………………………….. V.Matching A B 1…. I was very fit when I was young. 2. …..The teachers at my school were kind. 3….. My brother’s room was so messy. 4…. I had a dog when I was a kid. 5… My family had some lovely holidays. 6… When I was young, we didn’t have a car. 7. …And we didn’t have central heating. 8. …….My uncle was a pilot for Vietnam Airlines. 9. …..My father was weak. 10…… My brother was a soccer player. a. He used to smoke a lot. b. He used to play for the local team. c. It used to follow me everywhere. d. We used to go everywhere by bus. e. We used to freeze on winter mornings. f. He used to fly Airbus. g. He never used to tidy it at all. h. I used to do a lot of exercises. i. They used to help pupils. j. We used to go camping all over the country.

60đ cho ai làm đúng và đủ câu này Tìm đkxđ và giải pt : $\frac{2x}{x+1}$ +$\frac{18}{x^2+2x-3}$ =$\frac{2x-5}{x+3}$