Đường thẳng (D): 2x - y + 4 = 0 và hai trục Ox và Oy chia mặt phẳng tọa độ Oxy thành các miền I,II, III, IV, V, VI, VII. Miền nghiệm của hệ bất phương trình:         Loại bỏ (D), Ox và Oy.

 

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose one sentence that has the same meaning as the root one:

  The station will be closed for some days because they are replacing the escalators.
  
  

• Choose one sentence that has the same meaning as the root one:

  That woman wrote to me so that I gave her some advice.
  
  

• Choose the best answer for the following sentence:

  Do you ___________ your birthday each year? 

   

• Choose the best answer for the following sentence:

  ___________ would you like to celebrate your birthday, at the day time or in the evening?  

• Choose the best answer for the following sentence:

  Do you ___________ your birthday cake or do you buy it?
   

• Choose the best answer for the following sentence:

  Last night I _________ to my close friend's birthday party.
   

• Choose the best answer for the following sentence:

  There __________ a lot of fruit and drinks at the party yesterday.
  
  

• Choose the best answer for the following sentence:

  My close friend invited a lot of people _____________ her party.
   

• Choose the correct sentence which is built from the words and phrases given:

  place / Manila / took / Philippines / the 2nd Asian Games / in / from May 1 to May 9, 1954
  
  

• Choose the best answer for the following sentence:

  He doesn't allow us ________________ personal phone calls.