You're expected to know the formulas for this problem.
Find equation of the line containing the given point (5,3,4)
and parallel to the vector
Parametric equations: .
Symmetric equation: .
Last edited by mr fantastic; Dec 7th 2008 at 04:31 AM.
Reason: No edit - I just wanted to flag this post as a (moved) reply to questions that had been re-posted after replies were given
You set your x,y,z so that they start at (5,3,4). These are some kind of x,y,z-intercept if you want.
Then you know that in time t, x is going to increase by 2, y is going to increase by 5 and z is going to increase by -8.
You thus have "3 equations".