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Shared lesson activities for Finding the Determinant of a 3x3 Matrix
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Finding the determinant of a 3x3 matrix method 2 | Matrices | Precalculus | Khan Academy
Practice this lesson yourself on KhanAcademy.org right now: ...
Simpler 4x4 determinant | Matrix transformations | Linear Algebra | Khan Academy
Calculating a 4x4 determinant by putting in in upper triangular form first. Watch the next lesson: ...
Matrices lesson 13 - Use Gaussian Elimination to solve matrix equations
In this tutorial we show you how to solve matrix equations in the form AX=B using Gaussian Elimination (where A, B are known matrices and X is the unknown ...
Using Matrices to find the Area of a Triangle given the Coordinates of the Vertices
You can use a matrix to find the area of a triangle if you are given the coordinates of the matrix. You use the formula and the determinant to find the area.
Inverting 3x3 part 2: Determinant and adjugate of a matrix | Matrices | Precalculus | Khan Academy
Finishing up our 3x3 matrix inversion Practice this lesson yourself on KhanAcademy.org right now: ...
PreCalculus - Matrices & Matrix Applications (30 of 33) Find the Determinant of a 3x3 Matrix 1
Visit for more math and science lectures! In this video I will find the determinant of a 3x3 matrix by breaking a 3x3 matrix into 3-2x2 ...
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