Respuesta :

lucic

Answer:

D. -3/2

Step-by-step explanation:

if two lines are perpendicular, their gradients will multiply to give -1

For example, green line, m=2/3

2/3 × M2 =-1

M2=-3/2

Answer:

the answer is D

Step-by-step explanation:

Because the slope's of perpendicular lines are negative reciprocals. So you flip the top and bottom number and change from positive to negative or vice versa.