Algebra 2HardLinear Systems & Matrices ShareLinear Systems & Matrices · Hard problemEvaluate det[−12−112−5014]\det\begin{bmatrix} -1 & 2 & -1 \\ 1 & 2 & -5 \\ 0 & 1 & 4 \end{bmatrix}det−110221−1−54.Check Show answer Walk through it step by step Practice more like this Review this concept