Question

I need someone to check my answers and help with two

the 3 questions will be posted below

Answer 1

i need those questions checked please.

Answer 2

help:

Answer 3

18 is actually D

Answer 4

Try finding the slopes. The perpendicular lines have a product slopes of -1

Answer 5

i remember that but I was wondering if I was correct on the top 3 and need help with the bottom 2

Answer 6

btw, thank you for helping

Answer 7

19 is also D they are perpendicular

Answer 8

And your welcome

Answer 9

okayy. Did I have to multiply the slopes?

Answer 10

Yeah

Answer 11

20 is C Because all slopes of opposite sides are different than each other

Answer 12

okay that's why I got them wrong I forgot to multiply.. lol ugh

Answer 13

Well keep in mind that
Parallel lines must have same slopes
Perpendicular lines must have a product of -1

Answer 14

Could you post the other questions on separate thread we've solved lots of questions here.