1 / Đưa các phương trình sau về dạng ax2 + bx + c = 0 và chỉ rõ các hệ số a , b , c : a ) 2x2 + 4x = x – 5 b ) 4x - √3 x = x – 10 c ) x + √2x + 4x2 = 1 d ) 1/2x2 -4 = 3x . 1/5 2 / Giải các phương trình : a ) 7x2 - 63x = 0 b ) - √2 x2 + 6x = 0 c ) 3 , 4x + 8 , 2x = 0 d ) -2/5x2 -7/3x = 0

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II. Choose the words above to fill in the blanks. Chọn những từ bên trên để điền vào các chỗ trống sau: 1. An Tiem recieved some ________________from the crow. He grew them. 2. Folk tales are usually short and ______________. They give me one surprise after another. 3. The ____________visited the castle and he met the beautiful princess. 4. The brother in the story was so _______________. He wanted to have all of the money. 5. The main_________________in this story is Snow White. 6. The King ______________the princess not to go outside. The pricess was very upset. 7. In the past, people often ______________salt for food and drink. 8. My mother was very _____________when we had a big birthday party for her. 9. Linda is a _________________person. She often help other people when they have trouble. 10. In the end, the Prince and the Princess _________________and lived hapily ever after. III. Change these words into past form: Chuyển những động từ sau sang dạng quá khứ: 1. Order:...................................... 2. Get: ......................................... 3. Find:........................................ 4. Meet:...................................... 5. Think.................................. 6. Is/am: .................................. 7. give: .................................. 8. grow.................................. 9.Take:........................................... 10. Read:......................................... 11. Hear:........................................ 12. Can.......................................... 13. Lose:........................................ 14. Stand:...................................... 15. Exchange................................ 16. Call........................................ Giúp mik với ko chép mạng nhé!