Complete what table? With no more information than that, 
all I can do is make up one.  If this one is not the one
you wanted to complete, then I apologize for not being 
able to read your mind from afar.

 x|y
-8|3
-1|1
 6|-1
13|-3

Plot those four points:



Then draw a line through them, like this green one:



Edwin