Answer:
4/3
Step-by-step explanation:
We can re-write the given equation as y = -(3/4)x + 3. Comapring it with y = mx + b, we get, m = -(3/4)
For two lines perrpendicular to each other, prosuct of their slopes is -1.
Slope of the line perpendicular to the given line = 4/3
