Question

Can someone please check my answer? It is an easy question. I will medal the person with the best answer. Thanks! Also, look at the picture with it.

Will the lines IK and KM be parallel, perpendicular, or neither?

Perpendicular
Parallel
Neither

It is either perpendicular or neither.

Answer 1

@jim_thompson5910

Answer 2

find the slope of IK

Answer 3

what's that slope

Answer 4

the slope is 1

Answer 5

close

Answer 6

-1

Answer 7

sorry I forgot that.

Answer 8

now find the slope of KM

Answer 9

1

Answer 10

So that means that they would be perpendicular. Right?

Answer 11

because they are the opposite and they equal -1

Answer 12

they multiply to -1

Answer 13

so they are perpendicular

Answer 14

sorry I meant multiply

Answer 15

Thanks! You have given me loads of help! Sorry if I bug you by tagging you. I just needed some help. I really appreciate it!