The correct equation of the line is y = 2x/5x - 1/5. option D
What is the equation in slope intercept form?
Given that;
x1 = 1
x2 = 3
y1 = 1/5
y2 = 1
Thus;
y - y1 = (y2 - y1/x2 - x1) (x - x1)
y - 1/5 = 1 - 1/5/3 - 1 (x - 1)
y - 1/5 = 4/5/2 (x - 1)
y - 1/5 = 4/5 * 1/2 (x - 1)
y - 1/5 = 4/10 (x - 1)
y - 1/5 = 2/5 (x - 1)
y - 1/5 = 2x/5 - 2/5
y - 2x/5 = 1/5 - 2/5
y - 2x/5 = -1/5
y = 2x/5x - 1/5
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