### Home > APCALC > Chapter 10 > Lesson 10.1.4 > Problem10-47

10-47.

What is the unit vector that has the same direction as $8\mathbf{i} - 6\mathbf{j}$?

Calculate the length of the given vector.

$\sqrt{8^2+(-6)^2}=10$

Divide each component of the vector by its length.