x ² - mx + m - 2 = 0 Hãy tìm 1 hệ thức liên hệ giữa 2 nghiệm mà ko phụ thuộc vào m

1) Điền giới từ thích hợp 1.Lan 'll have a party.......friday evening. 2.Would you like to come......my house.....lunch ? 3.She takes care.....her family. 4.She works.....a local supermarket. 5.My mother works.......the field......my father. 6.Does your father work ......Ha Noi ? 7.David is good......Math. 8.What do you do.......your free time ? 9.Are you interested......sports ? 10.There's a good film......the moment. 2) Finish each of the following sentences in such a way that it is as similar as possible in meaning to the sentences printed before it. 1.Listening to music is more interesting than watching TV => I prefel................. 2.It isn't important for you to finish the work today. => You don't...................... 3.How much is this dictionary ? => What.......... 4.How heavy is the chicken ? => What......... 5.Mr.Trung and Mrs.Trung type quickly. => Mr.Trung and Mrs.Trung ............ 6.I got to work in half an hour yesterday. => It took.............. 7.My mother doesn't like coffee and tea. => My mother likes neither............. 8.You shouldn't eat too much candy. => You'd...................

Cho tam giác cân ABC có Â = 450 , AB = AC . Từ trung điểm I của cạnh AC kẻ đường vuông góc với AC cắt đường thẳng BC ở M . Trên tia đối của tia AM lấy điểm N sao cho AN = BM. Chứng minh rằng : a) góc AMC=góc ABC b) tam giác ABM=tam giác CAN c) Tam giác MNC vuông cân tại C . Mấy bạn giúp mình đi mình đang cần gấp

tìm danh từ hộ mình trong đoạn văn sau Nowadays, television becomes very popular. Both old and young people enjoy watching it very much. TV programs attract millions of viewers all around the world. In addition to the news, television stations also broadcast many interesting programs such as sports, music, cartoons, wild life, popular science, reports, contests, movies, etc. At present, people can enjoy a live program on TV. Live TV program helps us see events at the same time as they are happening. In our country, we often watch live TV programs of important events and international football matches. __________ There are a few people watching TV all around the world. __________ Television stations broadcast many boring programs. __________ We can enjoy a live program on TV. __________ Television doesn’t become popular nowadays. Read the paragraph, then do the tasks given below. Nowadays, football becomes one of the world’s most popular games. Millions of people play and watch it all around the world. A football match often has two parts. Each part is forty-five minutes. The first part is the half and the second part is the second half. There is a fifteen-minute break beteen the two halves. There are two teams in a football soccer match. Each football team has eleven players, including a goal-keeper. The players on the ground try to kick the ball into the other’s goal. The team which scores more goals wins the match. __________ Today, football is a popular sport all around the world. __________ A football match often has two halves of forty-five minutes each. __________ There is no break in a football match. __________ Each football team has eleven players and a goal-keeper in the field.

Các bạn giúp mik lm 3 bài 3.4.5 với mikk đag cần gấp lắm mai phải nộp r mong cc bn lm giúp mik.

Một mảnh đất hình bình hành có trung bình cộng độ dài dáy và chiều cao là 24m. Chiều cai dài hơn đáy 15m a) tính diện tích mảnh đất hinh bình hành b ) người ta dùng 1/8 diện tích của mảnh đất để làm đường đi .tính diện tích còn lại

phân các từ in nghiêng trong đoạn văn dưới đây thành loại : từ ghép , từ láy .(mỗi loại từ viết vào một dòng) Càng về khuya , đám rước đèn càng đông .Tiếng nói ríu rít làm rộn rã cả xóm làng. Đám rước đi chậm rãi đoạn đường làng khúc khuỷu trông như một con rồng ngoằn ngoèo.

Choose the word whose stressed pattern is pronounced differently from the others. A: museum B: similar C: industrial D: iconic

Hai dòng điện cường độ I1 = 3A; I2 = 2A chạy cùng chiều trong 2 dây dẫn song song và cách nhau 50 cm. a. Xác định vecto cảm ứng từ tại điểm M cách dòng điện I1 30 cm; dòng I2 80 cm b. Xác định vecto cảm ứng từ tại điểm N cách dòng điện I1 30 cm; dòng I2 40 cm c. Hãy xác định những điểm mà tại đó cảm ứng từ tổng hợp bằng 0. Tại những điểm đó có từ trường hay ko?

IX. Choose the item among A, B, C or D that best answer the questions about the passage. The Hopi of Arizona The Hopi live in the northwestern part of Arizona in the United States. With modern things all around them, the Hopi keep their traditions. There are about 10,000 Hopi and they live in twelve villages in the desert. The weather is very hot in summer, but in winter it freezes. The wind blows hard. Farming is difficult. Corn is the Hopi's main food, but they plant vegetables, too. They raise sheep, goats, and cattle. They also eat hamburgers, ice cream and drink soft drinks. They live in traditional stone houses, but many of them have the telephones, radios, and television. They have horses, but they have trucks too. Kachinas are an important part of the Hopi religion. Kachinas are spirits of dead people, of rocks, plants, and animals, and of the stars. Men dress as kachinas and do religious dances. People also some make wooden kachinas. No two wooden kachinas are ever alike. The children attend school, and they also learn the Hopi language, dances, and stories. The Hopi want a comfortable, modern life, but they don't want to lose their traditions. 1. The hopi ………………. A. want modern things instead of traditional ones B. want traditional things instead of modern ones C. don't want to remember their traditions D. want both modern and condition things 2. Winters in this part of Arizona are ………………….. A. hot B. warm C. cool D. cold 3. The main Hopi food is ……………….. A. corn B. hamburgers C. beef D. vegetables 4. Kachinas are …………………. A. men B. something to eat C. animals D. spirits 5. The Hopi don't want to ………………… their traditions. A. lose B. hit C. remember D. learn 6. The main idea of the passage is ………….. A. the Hopi raise cops and animals in the Arizona desert. B. kachinas are spirits of the things around the Hopi. C. the Hopi keep their traditions even with modern life all around them D. the Hopi want a comfortable, modern life