Lập phương trình của đường thẳng biết rằng đường thẳng Đi qua gốc O và điểm b(-1,3).

Các câu hỏi liên quan

XI. Choose the correct answer A, B, C. or D to fill each blank in the following passage. I have a very interesting and (1) hobby. I make short video clips with my digital camera. It was my birthday present from my parents last year. Since then, I have (2) three short films. It’s great fun! I started asking my friends and relatives to take (3) in the films. I have tried to write the story for my video clips. When I have finished the script, I make copies for the “actors”. Each scene is small and they can look at the words just (4) we start filming. We film at the weekend in my neighborhood, (5) no one has to travel far. When the video clip is finished, I invite all the “actors” and we watch the film at my house. 1. A. enjoyable B. enjoyed C. enjoying D. enjoy 2. A. done B. made C. played D. watched 3. A. scene B. role C. part D. film 4. A. until B. after C. only D. before 5. A. so B. because C. but D. although XII. Use the words and phrases to write a passage. 1. Stamp collection/ be/ interesting hobby. 2. You/ can learn many things, such/ the geography/ a country/ stamps. 3. Postal stamps/ be a source/ interesting facts/ important dates/ every country/ the world. 4. It/ make stamp collecting/ become very popular. 5. As you look at the pages/ a stamp album, you/ can learn interesting details/ foreign customs/ arts/ literature/ history/ culture. 6. Their colors/ can make/ you feel relaxed/ happy. 7. Collecting stamps/ can become/ a business. 8. If you are lucky/ finding/ special stamp, it/ will bring/ you some money besides knowledge/ pleasure.