Math Please help Ms. Sue
posted by Sarah .
How can you determine if the given lines are perpendicular?
Line 1: (1,3) and (3,3)
Line 2: (3,0) and (3,3)
A)determine if they have slopes with opposite values***
B)determine if they have the same slope
C)determine if the product of their slope is 1
D)determine if the product of their slope is 1
Please check my answer?

Math Please help Ms. Sue 
Tia
I'm not Ms. Sue (sorry), but your answer is correct. :)

Math Please help Ms. Sue 
Sarah
Thank you for your help! (=

Math Please help Ms. Sue 
PAT
The answer is D

Math Please help Ms. Sue 
snow
the right answer is D

Math Please help Ms. Sue 
Iris
Thanks PAT and snow, the correct answer is D.
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