SOLUTION: x y -2 -16 -1 -20 0 -22 1 -28 2 -32 linear or non linear?

Question 802220: x y
-2 -16
-1 -20
0 -22
1 -28
2 -32
linear or non linear?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Two choices to try:
Either plot the points and try to decide if you can draw a line through ALL points; if yes, then the points are all on a line.
OR
Find slope between each (x,y) pairs and see if they are the same value. If yes, then line.
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