To find the slope, we can use the slope formula
m = (y2-y1)/ ( x2-x1)
where (x1,y1) is a point on the line and ( x2,y2) is another point on the line
We have points(0,0) and ( 2,8)
m = ( 8-0)/(2-0)
= 8/2
= 4
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