deacaitliclour deacaitliclour

11-08-2016
Mathematics

contestada

is the relationship shown by the data linear? x -9, -5, -1, 3 y -2,-7,-12, -17

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texaschic101 texaschic101

11-08-2016

x y
------ -----
-9 -2
-5 -7
-1 -12
3 -17

ur x's all have a difference of 4, and ur y's all have a difference of -5...so yes, this is linear with a slope of (-7+2) / (-5 + 9) = -5/4

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