# How do you find the determinant of |(-2,3), (-2,1)|?

Dec 14, 2016

The determinant $= 4$.

#### Explanation:

The determinant $| \left(a , b\right) , \left(c , d\right) | = a d - b c$

$| \left(- 2 , 3\right) , \left(- 2 , 1\right) | = \left(- 2\right) \left(1\right) - \left(3\right) \left(- 2\right) = - 2 - \left(- 6\right) = 4$