SOLUTION: Help I'm completely lost on this! Determine if each relation is Linear or Not Linear. x y -2 -14 3 11 5 21

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Question 97145: Help I'm completely lost on this!
Determine if each relation is Linear or Not Linear.
x y
-2 -14
3 11
5 21
Answer by stanbon(48558) About Me  (Show Source):
You can put this solution on YOUR website!
Determine if each relation is Linear or Not Linear.
x y
-2 -14
3 11
5 21
----------
Check the slope between successive points:
[11--14]/[3--2] = 25/5 = 5
[21-11]/[5-3] = 10/2 = 5
[21--14]/[5--2] = 35/7 = 5
---------------
Slopes are the same; the relation is linear function.
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Cheers,
Stan H.