The proportion that we can use to derive the equation of the line is; B: 4/3 = (y + 2)/x
Slope of Line
Formula for slope of a graph is;
m = change in y-values/change in x-values
We see that the slope for the large triangle will be; m = (y + 2)/x
While the slope for the small triangle will be;
m = 4/3
Now because both triangles are on the same line, it means their slopes will be equal. Thus;
4/3 = (y + 2)/x
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