trinitylyons0618 trinitylyons0618

25-09-2021
Mathematics

contestada

Which two lines are perpendicular?

A) A and B

B) B and C

C) A and D

D) C and D

Which two lines are perpendicular A A and B B B and C C A and D D C and D class=

Respuesta :

evgeniylevi evgeniylevi

28-09-2021

Answer:

C)

Step-by-step explanation:

the rule: if slope1*slope2= -1, then the two given lines are perpendicular.

1) the slope of the line A is -3; B is 3; C is 3; D is 1/3, then

2) according to the rule A and B not perpendicular; B and C not perpendicular; A and D are perpendicular; C and D not perpendicular.

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