Đồ thị dưới đây là đồ thị của hàm số nào?

A. y = x 3 − 3 x + 2

B.  y = x 3 − 2

C.  y = − x 3 + 2 x + 1

D.  y = x 3 + x + 2

Hi. It’s my pleasure to meet you. My name is Sandra. I was born on the 6th of May. I’m in class 4C. I study at Marie Curie primary school. My school is in Tran Van Lai street, My Dinh ward, Nam Tu Liem district, Hanoi, Vietnam. It’s very big. There are 2000 students in my school, but there are only 25 students in my class. My teacher’s name is Mike. He is very funny.

How many students are there in her class?

Cho hàm số f(x) xác định trên R bởi f ( x ) = x 2 . Giá trị f ' (0) bằng

A. 0 

B. 2 

C. 1 

D. không tồn tại

The _______ of the bay is approximately 200 miles.

A. long

B. length

C. lengthy

D. lengthen

Cho hai điểm A(2; -1), B(3; 0), điểm nào sau đây thẳng hàng với A, B?

A.  C 1 → ( 0 ;   - 7 )

B.  C 2 → ( 0 ;   - 3 )

C.  C 3 → ( 0 ;   - 5 )

D.  C 4 → ( 0 ;   - 1 )

Hi. It’s my pleasure to meet you. My name is Sandra. I was born on the 6th of May. I’m in class 4C. I study at Marie Curie primary school. My school is in Tran Van Lai street, My Dinh ward, Nam Tu Liem district, Hanoi, Vietnam. It’s very big. There are 2000 students in my school, but there are only 25 students in my class. My teacher’s name is Mike. He is very funny.

Where is her school?

Choose the best answer A, B, C or D for each sentence

  A _______ is a famous cinema actor or actress.

A. filmgoer

B. film director

C. film maker

D. film star

Hi. It’s my pleasure to meet you. My name is Sandra. I was born on the 6th of May. I’m in class 4C. I study at Marie Curie primary school. My school is in Tran Van Lai street, My Dinh ward, Nam Tu Liem district, Hanoi, Vietnam. It’s very big. There are 2000 students in my school, but there are only 25 students in my class. My teacher’s name is Mike. He is very funny.

What is her school’s name?

Lan học từ 7 giờ 30 phút đến 11 giờ 30 phút. Thời gian học của Lan là:

A. 4 giờ 30 phút

B. 3 giờ 30 phút

C. 4 giờ  

D. 5 giờ

Vectơ nào sau đây cùng hướng với vectơ  u → ( - 3 ;   7 )

A.  v 1 → ( - 1 ;   - 2 )

B.  v 2 → ( 2 ;   5 )

C.  v 3 → ( 3 ;   - 7 )

D.  v 4 → ( - 3 / 7 ;   1 )