Solution:
We know that:
- Formula for slope intercept form = y = mx + b (m = slope; b = y-intercept)
- Given equation: y = -2x/5 + 4/5
Compare the equation and the formula:
- y = mx + b and y = -2x/5 + 4/5
This means that:
Hence, the slope of the line is -0.4.