January 10th, 2010, 03:36 PM  #1 
Newbie Joined: Dec 2009 Posts: 2 Thanks: 0  Relation
Can you help describe this relation as an equation and in words given the coordinates: (3,5),(2,3),(1,1),(0,1),(1,3),2,5,(3,7). Thanks in advance.

January 10th, 2010, 03:47 PM  #2 
Global Moderator Joined: Nov 2009 From: Northwest Arkansas Posts: 2,766 Thanks: 4  Re: Relation
Well, it looks like the second number increases by 2 when the first number increases by 1. And when the first number is 0, the second is 1. That's enough information to write an equation of a LINE. 

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