HELP PLZ. ANSWER WITH NO LINKS AND I WILL GIVE BRAINLIEST.

Answer:
y=-1/2x+1
Step-by-step explanation:
The line on the graph is showing the slope is decreasing by -1/2, in our equation, it's: -1/2x. (For every x, y decreases by 1/2)
The y-intercept is 1, this is where the line intersects the y-axis.
In correct format, the linear equation is: y=-1/2x+1