Cho parabol có đồ thị như hình bên. Khi đó có giá trị là    

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose a word that has different stress pattern:

  refusal                      acceptance                          suitable                   minority

• Choose a word that has different stress pattern:

  idea                          meeting                        special                          station

• Choose the best answer for the following sentence:

  Did you see that fascinating wildlife programme _____________ television last night?
   

• Choose the best answer for the following sentence:

  The cost of the hotel room doesn't usually _____________ the price of breakfast.
   

• Choose the best answer for the following sentence:

  If you want to have a pet you must be ready to ___________ care of it for several years.
   

• Choose the best answer for the following sentence:

  If I were you, ____________  phone and tell her you're going to be late.
   

• Choose the best answer for the following sentence:

  Henry ___________ a rich man today if he had been more careful in the past.
   

• Choose the best answer for the following sentence:

  I left my last job because I had no ___________ to travel.
   

• Choose the best answer for the following sentence:

  The house is conveniently ___________ about a mile from the shopping centre.
   

• Choose the best answer for the following sentence:

  Greater spending on education is expected to lead a large increase ___________ the number of students.