Answer:
( 1+t , -1+t , 5-t )
Step-by-step explanation:
Direction vector:
( 5-1, 3+1, 1-5) = (4, 4, -4)
You can also take a scalar multiple
So, I'm using (1, 1, -1) as the direction vector
x(t) = 1+t
y(t) = -1+t
z(t) = 5-t
open dot on point -2
the arrow is pointing to the right
A