posted by James .
Write a vector equation of the line that passes through point P and is parallel to a. Then write parametric equations of the line.
P(-1, 3); a=(-6, -1)
MY ANSWER: (x+1, y-3) = t(-6, -1); x= -1-6t, y=3-t
P(0, 5); a=(2, -9)
MY ANSWER: (x, y-5) = t(2, -9); x=2t, y=5-9t