# How do you find the magnitude of <8,-6>?

Sep 18, 2016

10

#### Explanation:

To calculate the magnitude of a vector $\left(\begin{matrix}x \\ y\end{matrix}\right)$

magnitude $= \sqrt{{x}^{2} + {y}^{2}}$

here x = 8 and y = - 6

$\Rightarrow \text{ magnitude} = \sqrt{{8}^{2} + {\left(- 6\right)}^{2}} = \sqrt{100} = 10$