0 5 5 5 Solutionfrom given graph we can identify two points

Solution

from given graph we can identify two points

(0,5) {x1,y1} and (2,-1) {x2,y2}

because at x=0, y= from graph and at x= 2 the graph is at y= -1

so point slope form is

y-y1 = m(x-x1)

m= (y2-y1)/(x2-x1) = -1-5/(2-0) = -3

so equation of line is

y-5 = -3(x-0)

y-5 = -3x