Answer:
y = 1/2x -3
Explanation:
We can use the slope intercept form the equation for a line
y = mx+b where m is the slope and b is the y intercept
y = 1/2x +b
Substitute the point into the equation
-4 = 1/2(-2) +b
-4 = -1+b
Add 1 to each side
-4 +1 = -1 +1+b
-3 = b
Writing the equation
y = 1/2x -3