Cho phương trình: x²-2(m-1) x+m²-6=0 ( m là tham số) a, giải phương trình khi m =3 Tìm m để phương trình có hai nghiệm x1,x2 thỏa mãn x²1,+ x²2 =16. Giúp mình với mình cần gấp lắm

45. We_______________________(play) soccer in the yard now. 46. My father (go)___________ to work by bike. Sometimes he(walk)______________. 47. _________You (live)________near a market? _ It (be)____________noisy? 48. Now I (do)__________the cooking while Hoa (listen)_____________to music. 49. At the moment, Nam and his friends (go)_______________shopping at the mall. 50. In the autumn, I rarely (go)_____________sailing and (go)__________to school. 51. I (write)_____________________________ a letter to my friend now. 52. At 12 a.m every day, I (have)____________lunch and (go)____________to bed. 53. On Monday, I (have)________________________ math and Art. 54. On Friday, she (have)______________________English. 55. At the moment, I (eat)__________an orange, and my sisters (play)_______tennis. 56. ______it her bag (be)? - No, it (not be)______________. 57. What time _____________your children (go)____________ to school? 58. He (live)________________in HCM City. 59. What time___________your brother usually (get)___________up? 60. My house (be)_________in the city and it (be)_________small. 61. Every morning, we (have)__________breakfast at 7.00 am. 62. This (be)________a book and there (be)_________pens. 63. Mr. Quang (live)____________in the countryside. He (have)__________a big garden. 64. John (not have)______________Literature lesson on Friday. 65. What time _________you (start)___________your class? 66. ___________you (be) in class 12A3? 67. Mrs. Ha (learn)__________________in Hanoi, but she (not live)______________ there. 68. My brother (not live )______________in London; he (live)___________ in Manchester. 69. Now Mr. Long (design ) ____________________his dream house. 70. He (like)_______apples, but he (not like )__________________bananas. 71. __________________she (like)______________apples? 72. Usually, I (have)________ lunch at 12.00. -________you (have) ________ lunch at 11.00? 73. He can (swim)_______________but I can’t (swim)_____________________. 74. At the moment, my sister (read)___________________ a comic book. 75. I (like )__________________ice-cream. 76. Where___________________Mr. Ha (live)_______________? 78. Hang (go)_____to the bookshop now because she ( want ) __to buy some books. 79. We (go) ______________to market and (buy)_________________some fruits. 80. Now, Lan (study)____________English and Lien (listen)__________to music. 81. Every night, she (have)____________________dinner at 7.00 p.m. 82. Every year, I usually (go)______________________Vietnam. 83. In the summer, I sometimes (go)____________________swimming. 84. Every evening, my mother (like)___________ watching television. 85. Lan (have)_______________breakfast and (go)___________to school at 6.30 a.m. 86. We (not read)___________________after lunch. 87. Tom (be)___________my friend. He (play)______________sports everyday. 88. ______________your students (play)__________soccer every afternoon? 89. He (go)_____________to bed at 11.30 p.m. 90. They (go)___________home and (have)___________lunch

Kể tên các tác dụng của dòng điện. Theo em, đồ dùng điện nhiệt hoạt động dựa trên tác dụng nào của dòng điện. Kể tên các bộ phận chính của bàn là điện Khi sử dụng bàn ủi điện, em thường gặp sự cố nào? Theo em cần khắc phục sự cố đó bằng cách nào?

Giúp nha mik vote cho 5* Thank you trước

Đặt 3 câu kể ai thế nào? Mỗi câu tả một cây hoa em yêu thích. Mng giúp em với ạ

cho 2 điểm a(-2 3) b(4 -1) viết phương trình trung trực đoạn ab

1. Where ___________you (live)____________? I (live)______________in Hai Duong town. 2. What he (do) _________________now? He (water)_________________flowers in the garden. 3. What _______________she (do)_____________? She (be)______________a teacher. 4. Where _________________you (be) from? 5. At the moment, my sisters (play)____________volleyball and my brother (play) ________________soccer. 6. it is 9.00; my family (watch)___________________TV. 7. In the summer, I usually (go)______________to the park with my friends, and in the spring, we (have) _____________Tet Holiday; I (be)________happy because I always (visit) ______________my granparents. 8. ____________your father (go)_____________to work by bus? 9. How ___________your sister (go)___________to school? 10. What time _____________they (get up)_________________? 11. What ____________they (do)________________in the winter? 12. Today, we (have)______________English class. 13. Her favourite subject (be)__________________English. 14. Now, my brother (like)_________________eating bananas. 15. Look! A man (call)_________________you. 16. Keep silent ! I (listen )____________________to the radio. 17. ______________ you (play)_________________badminton now? 18. Everyday, my father (get up)_______________at 5.00 a.m. 19. Every morning, I (watch)_________________tv at 10.00. 20. Everyday, I (go) __________to school by bike. 21. Every morning, my father (have) ______________a cup of coffe. 22. At the moment, I(read)_______________a book and my brother (watch)_______ TV. 23. Hoa (live)________________in Hanoi, and Ha (live)________________in HCM City. 24. Hung and his friend (play)_______________badminton at the present. 25. They usually (get up)___________________at 6. oo in the morning. 26. Ha never (go)___________fishing in the winter but she always (do)________ it in the summer. 27. My teacher (tell)__________________Hoa about Math at the moment. 28. There (be)____________________ animals in the circus. 29. _______________he (watch)______________TV at 7.00 every morning? 30. What _____________she (do ) _________________at 7.00 am? 31. How old _________she (be)? 32. How ___________she (be)? 33. My children (Go)________________to school by bike. 34. We (go)_______________to supermarket to buy some food. 35. Mr. Hien (go)________________on business to Hanoi every month. 36. Ha (like)______________coffee very much, but I (not like)______________it. 37. She (like )________________Tea, but she (not like)____________________coffee. 38. I (love)_______________ cats, but I (not love)__________________dogs. 39. Everyday, I (go)______________to school on foot. 40. Who you _________________(wait) for Nam? - No, I ___________ (wait) for Mr. Hai. 41. My sister (get)______________ dressed and (brush)_______________her teeth herself at 6.30 everyday. 42. Mrs. Smith (not live)_______________in downtown. She (rent)________________in an appartment in the suburb. 43. How _________your children (go)_________________to school everyday? 44. It's 9 o'clock in the morning. Lien (be)________in her room. She (listen) _______________to music. 45. We_______________________(play) soccer in the yard now.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. Inventions That Changed Our World People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier. Airplane The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary ! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you? Telephone Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you? Automobile The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you? Computer People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you? Question 18. What do all the inventions described in this text have in common? A: All the inventions made people’s lives easier. B: All the inventions changed how people travel. C: All the inventions were invented in the 20th century. D: All the inventions were invented by Americans.

................ Lan and Hoa ( be) .................... Your school two years ago ?

Change the sentence into the passive voice: -Careless driving causes many accidents