Answer:
y = -x + 1
Step-by-step explanation:
First, simplify -x+y=-6 to y = x - 6
Being perpendicular, then the x needs to be "flipped", making the slope y = -x
In order to have the slope go through (-4, 5), the line needs to intercept the y-axis at 1
Thus, the equation is
y = -x + 1
