Answer
We can take vector $b$, reverse its direction, and put the tail of vector $b$ on the tip of vector $a$. The resultant vector from the tail of vector $a$ to the tip of the reversed vector $b$ is the vector $a-b$.
Work Step by Step
To sketch the resultant vector $a-b$, we can take vector $b$, reverse its direction, and put the tail of vector $b$ on the tip of vector $a$. The resultant vector from the tail of vector $a$ to the tip of the reversed vector $b$ is the vector $a-b$.
