SOLUTION: the following ordered pairs describe a linear relationship: (2,9) (5,10) (8,n) and (11,12). use the information to determine the missing value "n".

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: the following ordered pairs describe a linear relationship: (2,9) (5,10) (8,n) and (11,12). use the information to determine the missing value "n".      Log On


   

Question 1043955: the following ordered pairs describe a linear relationship: (2,9) (5,10) (8,n) and (11,12). use the information to determine the missing value "n".
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Use the slope formula to find the slope of the segment with any pair of fully specified points.



where and are the coordinates of the given points.

Then the slope of the segment with either of the two end points you just used and the point (8,n) must have the same slope. Plug the values into the slope formula and calculate n.

John

My calculator said it, I believe it, that settles it