Question

Determine which lines, if any are perpendicular

A. 4x - 3y = 2
B. 3x + 4y = -1
C. 4y - 3x = 20

Answer 1

I think it’s A bit I could be wrong

Answer 2

none

Explanation:

for lines to be perpendicular the slope of line A must be reciprocal to line B.