Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Determinant of a Matrix
Find a quick, concise explanation of how to find the determinant of a matrix. Several examples are given and clearly explained.
Purple Math
Purplemath: Determinant Word Problems
Matrix determinants can be used to solve many algebra and geometry word problems. Among them: finding the area of a triangle, finding the area of a parallelogram, and finding the equation of a line between two points. These three...