Posted by **j** on Thursday, May 17, 2012 at 9:26am.

Write a vector equation AND parametric equations of the line through the points A(6,-1,5) and B(-2,-3,6)

direction vector = [8,2,-1]

a vector equation

r = (6,-1,5) + t(8,2,-1)

use that to write the parametrics

how do i write parametrics

- Calculus -
**Reiny**, Thursday, May 17, 2012 at 9:45am
since you have

r = (6,-1,5) + t(8,2,-1), which is correct we can say

x = 6 = 8t

y = -1 + 2t

z = 5 - t

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