Please help me with this and if possible give me an explanation for me to better understand this because I honestly am not sure of this. Thanks in advance.

Question

anonymous · Answer

@Mertsj @e.cociuba @Hero can any of you help me?

mertsj · Answer

Perpendicular lines have slopes that are opposite reciprocals.

mertsj · Answer

For example if the slope of a line is 3, the slope of its perpendicular is - 1/3

mertsj · Answer

If the slope of a line is - 3/5, the slope of the perpendicular is 5/3

anonymous · Answer

Okay i think i understand that

mertsj · Answer

So it has to be either the second or third answer.

anonymous · Answer

okay thanks ill look at it and try to work it out thanks again

mertsj · Answer

yw