user-avatar
Truonghieuxxdd91
2 năm trước
Trong hệ trục tọa độ Oxy cho phương trình đường thẳng:3x + 4y = 2 (d) a) Tìm hệ số góc của đường thẳng (d). b) Với giá trị nào của m thì đường thẳng d’ : y = ( m2 -1)x + m song song với đường thẳng d .
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in theposidon ofprim mystress in each of the following questions. Question 1. A. collect B. attack C. rubbish D. prefer Question 2. A. biology B. ignorance C. national D. educate Mark the letter A, B, C or D on your answer sheet to indicate the word that CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 3. Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness A. record B. shine C. categorize D. diversify Question 4. The augmentation in the population has created a fuel shortage. A. increase B. necesity C. demand D. decrease Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Question 5. Although some societies are ____ undeveloped, their languages from linguist's point of view are very complex. A. technology B. technologically C. technological D. technologist Question 6. The plane ____ down 20 minutes later than scheduled because of the bad weather. A. put B. flew C. landed D. touched Question 7. British and Australian people share the same language, but in other aspects they are as different as ____. A. cats and dogs B. chalk and cheese C. salt and pepper D. here and there Question 8. There is ____ in my bedroom. A. a square old wooden table B. an old wooden square table C. an old square wooden table D. a wooden old square table Question 9. The man got out of the car, _____ round to the back and opened the boot. A. walking B. walked C. walls D. walk Question 10. It is imperative ____ what to do when there is a fire. A. he must know about B. that everyone know C. we knew D. that he knew Question 11. At this time of the year the number of students in the university tends to ____. A. dwindle B. deteriorate C. reduce D. lessen Question 12. The prisoner is thought _______ by climbing over the wall. A. to escape B. has been escaped C. to have escape D. has escaped Question 13. Buckingham Palace is a major tourist ____ in London. A. attract B. attraction C. attractive D. attractiveness Question 14. John asked me ____ that film the night before. A. that I saw B. had I seen C. if I had seen D. if had I seen Question 15. It gets ____ to understand what the professor has explained. A. the more difficult B. difficult more and more C. more difficult than D. more and more difficult

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