Find the Value of the Determinant $\left| \begin{array} { r r } - 1 & 1 \\ 2 & 3 \end{array} \right|$

Multiple Choice

Find the value of the determinant.
- $\left| \begin{array} { r r } - 1 & 1 \\ 2 & 3 \end{array} \right|$

A) $- 1$
B) $- 7$
C) $- 5$
D) 5