Chapter 11.2, Problem 19E

Find the unit vector in the direction of (5, -4). Write your answer in component form. Do not approximate any numbers in your answer. ?

Find a unit vector in the direction of u and in the direction opposite that of u. u-(-2, 24) (a) in the direction of u (b) in the direction opposite that of u

Sketch the vector ? = ⟨−2, 4⟩.