MathCastle
Algebra 2ChallengeLinear Systems & Matrices

Linear Systems & Matrices · Challenge problem

Evaluate det⁡[−1−254−61−4−55]\det\begin{bmatrix} -1 & -2 & 5 \\ 4 & -6 & 1 \\ -4 & -5 & 5 \end{bmatrix}.