Search 7,000+ topics

Practice problem

Computing Determinants of 2×2 or 3×3 Matrices

By Cameron Montag
A=[243x]A = \begin{bmatrix} 2 & 4 \\ 3 & x \end{bmatrix}

If det⁡(A)=2\det(A) = 2, what is xx?

Type a concept, like “slope” or “photosynthesis”.

↑ ↓ to choose · Enter to openSearch explanations and problems