Answer:
Y=-4x+90
Step-by-step explanation:
Slope Intersect Form → Y=mx+b
M= (y2-y1)/(x2-x1)
Find two point of the graph, I choose (0,90) and (10,50)
Plug in back the formula,
(90-50)/(0-10)
=40/-10
=-4
To find B (Y intercept), it is where the graph intersect the y axis
In this case, it is 90.
Thus, Y=-4x+90
