Answer:
3/2
Step-by-step explanation:
1) Convert into the slope intercept formula.
4x + 6y = 8
6y = -4x + 8
y = -4/6 + 4/3
y = -2/3 + 4/3
2) Find the opposite reciprocal of the slope.
The opposite reciprocal of -2/3 is 3/2.
The perpendicular slope of the line 4x + 6y = 8 is 3/2.