Cho các đa thức f(x) = x⁵ – 3x² +  x³ – x²  - 2x + 5

                                g(x) = x⁵ – x⁴ + x² - 3x + x² + 1

                a) Thu gọn và sắp xếp đa thức f(x) và g(x) theo luỹ thừa giảm dần.

b)Tính h(x) = f(x) + g(x)

Tìm m, biết rằng đa thức Q(x) = mx² + 2mx – 3 có 1 nghiệm x = -1

XIII. Rearrange these words or phrases to make complete sentences. (1.0 point)

(Sắp xếp các từ hoặc cụm từ sau thành câu có nghĩa.)

1. I/ it/ go/ when/ some/ swimming/ hot/ is/ often/ friends/ of/ with.//

…………………………………………………………………………...………………….

2. small / thin/ sister/ white/ and/ his/ lips/ teeth /has//.

………………………………………………………………………………………………

3. lifter/ heavy/ so/ is/ and/ he/ a/ strong/ weight/ very/ he/ is/.//

…………………………………………………………………………………….............

4.  like/ isn't/ because/ his/ fish/ food/ he/ favorite/ it/ doesn't/.//

……………………………………………………………………………………..………

5. burn/ should/ and/ the/ not/ cut/ we/ down/ trees/ forest/.//

…………………………………………………………………………….…………...……

mn xem bài này mik làm đúng chưa nhé , nếu có chỗ nào sai thì mn trả lời giúp mik nha , cảm ơn mn rất nhiều 

1. That motorbike belongs to Mr Trung.        

=> That is ...............................................................................................................................

2. She likes eating mangoes best.                               

=> Her…….…………………………………………………..………………..……….……

3. What is the height of that building?                                              

=> How ………………….………..……….…………………..……………..………….…?

4. How many apples would you like?

=>How many apples do ………………................................................................................?

5. Let's playing soccer this afternoon?

=> Why..................................................................................................................................?

6. How much are these shoes? 

=>How...................................................................................................................................?

7. This box has twelve packets of tea.

=>There …………………………………….........................................................................

8. No lake in the world is deeper than Lake Baikal.

=> Lake Baikal………………………………………………………………………………

9. It is important for you to arrive on time.   

=> You must..........................................................................................................................

10. I advise you not to eat lots of sweets.

=> You should …………………………………………….…………………………….....

đáp án của mik :

1. That is Mr.Trung's motorbike 

2. Her favourite fruit is mangoes 

3. How tall is that building?

4. How many apples do you want?

5. Why don't we playing soccer this afternoon?

6.How much do these shoes cost?

7. There are twelve packets of tea in this box 

8. Lake Baikal is the deepest lake in the world 

9. You must arrive on time 

10. You shouldn't eat lots of sweets 

VIII. Circle one mistake in each sentence then correct it. (2.0 points)                  

(Khoanh tron một lỗi sai trong mỗi câu sau rồi sửa lại cho đúng)

1. Mr Nhu doesn't watching TV in the living-room now.                              …………………….

                       A            B              C              D

2. How many milk would you like?                                                                …………………….

        A     B                C                 D

3. The Browns are traveling to Ho Chi Minh City in train.                            …………………….

       A                  B                  C                                D

4. Are they many students in your class?                                                                   …………………….  

              A                    B      C    D                   

5. There are two bookshelf in my sister's bedroom.                                        …………………….

                A              B                  C                   D

6. You must taking off your shoes before entering this room.                                   …………………….

                          A              B                 C                     D

7. How height is the PETRONAS Twin Towers?                                          …………………….

       A      B           C                                       D

8.Hambledon is the prettier village in England.                                                         …………………….

                       A   B       C                   D

9. My brother often spends a hour playing sports after school.                                  …………………….

                                       A    B                            C            D

10. The cat is among the lamp and the bed.                                                   …………………….

               A          B                       C   D