Can someone help me please I need this for my test

Answer:
y = -1x/2 + 1
Step-by-step explanation:
y = mx + b
Find the slope with the slope formula and two different points:
(2,0) and (0,1)
m = (1 - 0)/(0-2) = -1/2
Find the y-intercept according to the graph:
At x = 0, y = 1 so b = 1.
y = -1x/2 + 1