Làm sao lại ra như này xin giải từng bước 1 x^2 + 4x + 8 = ax + b Sao lại ra như này ??? a^2 - 8a + 4 b - 16 = 0

Write the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. Question 21: She asked me where I was going to tomorrow. A. where B. asked C. was going D. tomorrow Question 22: It is kind to her to consider other people’s interest when making decision. A. to her B. making C. to consider D. interest Question 23: Although the heavy rain, the workers go on working outside. A. rain B. go on C. outside D. Although Question 24: I suggest that we limited the number of tourists every day. A. limited B. day C. of D. that

Rút gọn biểu thức A=1/2-1/2(x:1/6-1/4)-2|3x-2| Khi a)x >_ 2/3 b) x < 2/3

Hai số 2^2021 và 5^2021 viết liền sau tạo thành một số có bao nhiêu chữ số

Phương trình lượng giác cơ bản: Sin ²x -3/4=0

Anh chị giải giúp e với ak e cảm ơn

VẼ MẦM ĐẬU TỨK NL:thế này có pk cali k ạh

một oto chuyển động thẳng đều trên trục tọa độ ox với phương trình x= t^2 -10t + 9 . Vị trí M đổi chiều là : A. x = 16 m B. x= 9m C. x=84m D.x=-16m

Ex5: Complete the sentences with form of can, could, or be able to. 1. It's so amazing. He _________ speak five languages. 2. I looked everywhere for my glasses but I _________ find them anywhere. 3. James _________ speak Japanese when he lived in Japan, but he’s forgotten most of it now. 4. I have to go to a business dinner tomorrow night so I _________ come to the party. I am very sorry. 5. This telephone is terrible. I _________ hear you at all. 6. (you) _________ the fireworks from your house last night? 7. Do you think you _________ write that report by Tuesday? I know you’re very busy. 8. I _________ touch my toes. See! 9. I _________ spend another moment in that restaurant. It was too noisy. 10. I’m afraid I _________ attend the meeting, I’m on business in Japan.

Write the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Question 5: Adolescence is the period of development ________ childhood and adulthood A. for B. between C. and D. from Question 6: Your body will change in shape and________ A. height B. high C. tall D. taller Question 7: Lots of people choose to buy houses in the suburbs ___________ they can avoid the noise and pollution in the city. A. although B. when C. so that D.so as Question 8: They can’t decide where _______ first A. go B. to go C. went D. going Question 9: The two countries agreed to _____ full diplomatic relations. A. give up B. set up C. deal with D. over come Question 10: It’s difficult to _____ changes in technology. A. go with B. look through C. keep up with D. turn up Question 11: All the best theatres and restaurants are ___________ within a few minutes' walk of each other. A. situated B. laid C. seated D. stood Question 12: Would you like to live in a modern house or a(n) ___________ cottage? A. picturesque B. awful C. terrible D. bad Question 13: You don’t like playing computer games, ___________ ? A. do you B. don’t you C. are you D. aren’t you Question 14: My dad enjoys ___________ sports very much. A. watch B. to watch C. watching D. to watching Question 15: She asked me if I ___________ music. A. like B. will like C. liked D. can like Question 16: The new camera didn’t work, ___________ I took it back to the shop. A. so B. if C. such D. and Write the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 17: I think parents should put themselves in their children’s shoes. A. situation B. school C. environment D. life Question 18: More men will be stay-at-home dads: looking after the children and doing housework. A. taking care of B. turning off C. going on D. taking part in Write the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 19: I invited her to join our trip to Trang An, but she turned down my invitation A. refused B. accepted C. returned D. rejected Question 20: Everyone is aware that it will be much safer to have elevated walkways and underpass systems for pedestrians. A. dangreous B. more dangerous C. danger D. safest