Khoảng cách từ điểm cực tiểu của đồ thị hàm số y = x 3 − 3 x 2 + 2 đến trục tung bằng

A. 0. 

B. 2.  

C. 1.  

D. 4

Don’t worry. He’ll do the job as_________as possible.

A. economizing

B. econimic

C. economical

D. economically

Mark the letter A, B, C, or D on your answer sheet to indicate sentence that is similar in meaning to the given one

We've run out of tea.

A. We didn’t have any tea.

B. We have to run out to buy some tea.

C. There's not much more tea left.

D. There's no tea left.

Some sciologists believe that the_________family of parents and children is rapidly becoming a thing of the past

A. extended                     

B. joint                             

C. nuclear                        

D. closed

Hãy tính x và y trong mỗi hình sau: (h.6)

Hình 6