MathCastle
Algebra 2ChallengeLinear Systems & Matrices

Linear Systems & Matrices · Challenge problem

Evaluate det⁡[−25−5565−1−40]\det\begin{bmatrix} -2 & 5 & -5 \\ 5 & 6 & 5 \\ -1 & -4 & 0 \end{bmatrix}.