Question

Given that A = (9,9,2), B = (1,3,5) and C = (5,6,4), find the vector equation of the line through A and B.

a.r=(8,6,-3)+t(9,9,2)
b.r=(9,9,2)+t(-8,-6,3)
c.r=(9,9,2)-t(-8,6,-3)
d.r=(9,9,2)-t(8,-6,3)

Answer 1

The answer is B.r=(9,9,2)+t(-8,-6,3)

Explanation:

Got it right on the quiz on Edge.

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Answer 2

It's not C

Explanation:

Sorry bud I tried to help you out but i guessed wrong on my test, atleast its not C though:)