SOLUTION: which vector is normal to the vector with initial pt. (2,5) and terminal point (10,-1)

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Question 719621: which vector is normal to the vector with initial pt. (2,5) and terminal point (10,-1)
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
Our vector is:
[10-2, -1-5]=
[8, -6]
the dot product tells us that any vector [a,b], such that
8a-6b=0
will be normal to our vector