Respuesta :

JustPotato

Answer:

10

Step-by-step explanation:

Determinant = ad - bc

[tex]\det\begin{pmatrix} 2 & 0 \\-2 & 5\end{pmatrix} =\begin{vmatrix} 2 & 0 \\-2 & 5\end{vmatrix} = 2\times5 + 0\times2 = 10[/tex]