Question

What is the equation of the blue line

Answer 1

y = -1/2 x + 2

Explanation:

A (0,2)

B (4,0)

(y-2)/(0-2) = (x-0)/(4-0)

(y-2)/-2 = x/4

(-y+2)/2 = x/4

4 * (-y+2)/2 = x/4 * 4

-2y+4 = x

-2y = x -4

2y = -x + 4

y = - 1/2 x + 4/2

y = -1/2 x + 2