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2 năm trước
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1 . Viết phương trình đường thẳng bậc nhất ( d ) biết trong mặt phẳng tọa độ Oxy đường thẳng ( d ) song song với đường thẳng ( d ' ) : 2x + 3y = 1 và đường thẳng ( d ) cắt trục tung tại điểm có tung độ bằng 3 . 2 . Xác định hàm số bậc nhất y = ax + b biết đồ thị hàm số đi qua M ( - 1 ; 2 ) và song song với đường thẳng y = 2 - 3x . 3 . Cho hàm số : y = mx + n . Tìm m , n biết đồ thị của hàm số đã cho song song với đường thẳng ( d1 ) : y = 2x - 3 và đi qua giao điểm Q của hai đường thẳng ( d , ) : y = 3x + 2 ; ( d ) : y = - 2x - 3 . 4 . Tìm giá trị của m để đồ thị của các hàm số y = x + ( 2 + m ) và y = 2x + ( 3 - m ) cắt nhau tại một điểm trên trục tung ? Tìm toạ độ giao điểm đó ? 5 . Tìm giá trị của k để ba đường thẳng : y = - 2x + 3 ( d ) ; y = 3x - 2 ( d2 ) ; y = kx + k - 5 ( d ) đồng qui trong mặt phẳng tọa độ

Correct the mistakes. 1. What do the small store owners thought about the new shopping mall? 2. In 1976, the Youth Union was official named as it is called today. 3. They learn words on different ways. 4. What do some learners do in order remember words better? 5. A kitchen is not a suitable place playing. 6. Young children is not understand that many household objects are dangerous. 7. If we have a recycle story to share, we can call or fax the magazine at 5 265 456. 8. Glass is broken up, melted and make into new glassware. 9. People from the countryside are leave their home. 10. Many people came to the city create problems. 11. He asked me singing a song. 12. Would you mind if I open the window ? 13. We haven’t see each other since 998 14. Are you free in Monday ? 15. Would you like having a cup of tea ?

làm giúp mình với ạ II. Match the questions in column A with the suitable answers in column B. A 1. What time did they arrive? 2. How much does it cost? 3. Where did you buy it? 4. Who is Nam staying with? 5. How long did it take to get to school by bike? 6. What did he do yesterday evening? 7. How far is it from your house to the museum? 8. What will you do on next vacation? 9. Who helped her to make the dress? 10. How did he get there? B a. He went to the movie theater. b. With his grandfather. c. I’ll visit Sa Pa with my family. d. It’s about 7 kilometers. e. Her mother. f. They arrive at 11 o’clock. g. I bought it at the bookstore. h. He went there by train. i. About 20 minutes. j. It costs fifty thousand dollars. 1………; 2………; 3………; 4………; 5………; 6………; 7………; 8………; 9………; 10……… IV. Give the correct form of verbs given. 1. They (join) ………………. the English competition last week. 2. Lan’s sister usually (get) ……………… up at 6 o’clock in the morning. 3. What time …………… your mother (cook) ……………… for dinner yesterday? 4. What ……… they (do) …………… now? – They (clean) …………………… their car. 5. Mai (not go) ……………………. to the supermarket next morning. 6. It (rain) ………………… heavily now. You should (stay) ………… at home and (read) ………… books. 7. She (be) ……………… fourteen on her next birthday. 8. I (mail) ………………… this letter tomorrow. 9. He (phone) ……………… his parents three or four times a week. 10. Hoa (not visit) …………………… the museum with her class last Sunday. 11. …………… (be) you at Paul’s party last night? 12. Listen! The birds (sing) ………………… 13. Could you (show) ……………… me the way to the bank? 14. He (be) …………… never late for school. 15. We (buy) ……………… her a lot of gift for her last birthday.

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