Answer:
y=-1/2x-1
Step-by-step explanation:
1) if another line is perpendicular to a lune, the other line's slope is the negative reciprocal of that lines slope
so
this line slope; 2
other line slope; -1/2
2) lets plug in the points (2.-2) in the other lines equation
so
(-2)=-1/2(2)+b
-2=-1+b
-1=b
so other lines equation:
y=-1/2x-1