giải phương trình tích :

d) ( x -1 )² = 4

e) x²( x - 2 ) = 9x - 18

f) ( x -1 )( 3x - 7 ) = ( x - 1 )( x + 3 )

g) 25 = ( x + 1)²

giải phương trình tích :

a) ( 2x - 10 ) ( 5x + 25) = 0 

b) ( x + 15) ( x - 2 ) = 0

c) x² - 7x =0

2. Nam / always / watching / TV / evening.

………………………………………………………………………………………

VIII. Complete the following sentences by using the suggested words (1.0 point)

1. How about / go / Da Lat / this summer vacation?

………………………………………………………………………………………

2. Nam / always / watching / TV / evening.

………………………………………………………………………………………

3. He / used / swim / river / when / he / be / young.

………………………………………………………………………………………

VII. Rewrite the following sentences as shown so that the meanings stay the same. (2.0 points)

1. Can you turn on the lights?

Would you mind.............................................................................?

2. Swimming in this river is dangerous.

It’s...................................................................................................

3. I last visited my grandparents two months ago.

I haven’t..........................................................................................

4. I watched an interesting film last night.

An intersting film.............................................................................

VI. Give the correct form of the verbs in the brackets. (1.5 points)

1. Nga (write)____________ a letter at nine o’clock last night.

2. We (buy) ____________ a new house next year.

3. Where you ( spend ) ____________ your summer holiday last year?

4. Many old car tires (throw) ______________ away every day.

5. They (not meet)____________ her since she (leave) ____________ school.