user-avatar
dinh_hoa963
2 năm trước
Phương trình: (m-1)x+m-3=0 a) Tìm m để pt có nghiệm duy nhất b) Tìm m để pt vô nghiệm c) Tìm m để pt có vô số nghiệm
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

8. The tourist company was _______ down the street than I had thought. * 1 điểm A. far B. farther C. further D. farer 9. Of the twins, Maria weighs_____and is_______. * 1 điểm A. more/the taller B. less/the higher C. the most/the tallest D. the least/the highest 10. What is the name of the girl _______ bicycle was stolen? * 1 điểm A. who B. whom C. of which D. whose 11. I don't have______to rent a new apartment. * 1 điểm A. money enough B. too much money C. enough money D. much money enough 12. The stairs_______to the cellar are quite slippery. * 1 điểm A. leads B. leading C. led D. that led 13. Yesterday was the day _______ they celebrated their 21st wedding anniversary * 1 điểm A. which B. in which C. when D. B&C are correct 14. Helen is the________ of the two sisters. * 1 điểm A. kindest B. kinder C. same kind D. least kind

Part 1: Multiple Choice Questions 1. The instructions________on the front page are very important. * 1 điểm A. which provide B. that provides C. providing D. provided 2. The car is so expensive that I cannot______ * 1 điểm A. afford B. buy C. A&B are correct D. afford it 3. I don't like stories _______ an unhappy ending. * 1 điểm A. which has B. have C. being had D. having 4. _______I win a big prize in a lottery, I won't giveup my job. * 1 điểm A. In spite of B. As long as C. If only D. Unless 5. Her Math result is ______ her English result. * 1 điểm A. more than B. less than C. worse than D. bad as 6. I believe Hanoi is the______ city in the world. * 1 điểm A. loveliest B. more lovely C. lovelier D. less lovely 7. Is this the address _______ you want the package sent? * 1 điểm A. to which B. where C. of which D. A&B are correct

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