SOLUTION: Which equation best describes the relationship between x and y in this table? x y 2 8 6 28 10 48 14 68

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Question 872815: Which equation best describes the relationship between x and y in this table?
x y
2 8
6 28
10 48
14 68

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
%2828-8%29%2F%286-2%29=5
%2848-28%29%2F%2810-6%29=5
%2868-48%29%2F%2814-10%29=20%2F4=5

The points form a line, based on the slope of 5.
y=mx%2Bb
b=y-mx
choose any point from the x,y list and find b.
b=8-5%2A2=-2;
highlight%28y=5x-2%29