Matthew 4:9-10

Matthew 4:9-10

[9] And  unto him,  All  will I give  if  thou wilt fall down  and worship  [10] Then  saith  Jesus  unto him,  Get thee hence,  Satan:  for  it is written,  Thou shalt worship  the Lord  God,  and  him  only  shalt thou serve. 

What is the context of Matthew 4:9-10?