# What is the dot product of two vectors?

##### 1 Answer
Mar 30, 2018

The dot product of two vectors gives you a scalar(a number).

#### Explanation:

For example:
$v = i + j$
$w = 2 i + 2 j$

Dot product of $w \cdot v$ = $\left(2 \cdot 1\right) + \left(2 \cdot 1\right)$ =$4$