Question

dadas as retas: r: y = 3x - 1 e s: y = -1/3 x +2 podemos afirmar que:
a) as retas r e s são paralelas
b) as retas r e s são são concorrentes
c) as retas r e s são perpendiculares
d) as retas r e s são reversas

Answer 1

c) as retas r e s são perpendiculares