user-avatar
bacvy1
2 năm trước
Cho phương trình ẩn x : x^2 -5x + m -2 = 0 (1) a) Giải phương trình (1) khi m = -4
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

IV. READING: Read the conversation and answer the questions. Mrs. Green: Hey, Tom. How’s your first week at the new school? Tom: It is great. But I was a bit nervous at first. Mrs. Green: Why were you nervous? Tom: The teachers were all new to me, most of my classmates were new too. Mrs. Green: Were they friendly to you? Tom: Ah, yeah. They were all nice to me. Mrs. Green: What subjects did you have today? Tom: Well, we had maths, geography and especially computer science was my favorite subject. Mrs. Green: Oh, good. So everything is going well at school. Tom: Right, I had a good first day. And … Dad, Can I join the judo club at school? I like to do judo. Mr. Green: Yeah, Ok, if you like, but don’t forget to do your homework. Tom: I won’t, Thanks, Dad. Questions: 1. Why was Tom nervous at first?  _________________________________________________________ 2. What were Tom’s teachers and friends like?  ________________________________________________________ 3. What was Tom’s favorite subject?  ________________________________________________________ 4. What club does he want to join?  ________________________________________________________ 5. Is Tom having a nice first week at his new school?  ________________________________________________________

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team