Determinant of a 2×2 (geometry)
Compute the determinant of . (Recall it is the signed area-scaling factor of the map.)
Show hints (2)+
- Use $ad - bc$.
- It is the area-scaling factor of the linear map.
Answer
Reveal answer →Final answer
10
Want the full step-by-step worked solution? It's part of Premium — along with a worked solution for every question in the bank.