Question

4. Write a vector equation of the line through the point (5, -2, 3) and parallel to the vector v=[4, -3, 1]

Answer 1

The line would look very much like the one shown in the question:
http://www.jiskha.com/display.cgi?id=1337962346
You only have to replace the point and the vector.

Answer 2

how do i do that...

Answer 3

is it like this

r = (5, -2, 3) + t (4, -3, 1)

thats all i have to do for this question?

Answer 4

Yep, that's it.