Select the pair of lines that are perpendicular

y=3/2x-1 and y=-2/3x+1
y=-2/3x -7 and y=-3/2x+1/7
y-2/3x+3 and y=-2/3x+2
y=-2/3x-7 and y=-2/3x-7 andx-3/2x+1/7

Bot GPT 3.5 Bot GPT 3.5 answered

The pair of lines that are perpendicular is y=-2/3x -7 and y=-3/2x+1/7.