8
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $\begin{vmatrix} a & b \\ c & d \end{vmatrix} = -8,$ then find
\[\begin{vmatrix} b & a \\ d & c \end{vmatrix}.\]
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
8
If $\begin{vmatrix} a & b \\ c & d \end{vmatrix} = -8,$ then find
\[\begin{vmatrix} b & a \\ d & c \end{vmatrix}.\]
train