2x2 Matrix Problem Solving

Introduction to matrix inverses.
2x2 matrix problem solving. In this video instructor mike figliuolo demonstrates how to use a 2x2 matrix to make your best guess about how to solve your high level business problem. Explains the formula used to determine the inverse of a 2 2 matrix if one exists. Problem on solving a 2x2 matrix equation solve by matrix inversion. In this lesson we are only going to deal with 2 2 square matrices i have prepared five 5 worked examples to illustrate the procedure on how to solve or find the inverse matrix using the formula method.
Inverse of a 2 2 matrix. Our mission is to provide a free world class education to anyone anywhere. Check whether a matrix is singular. Given that the value of the determinant of a is 24 find w.
Determinant of a 2x2 matrix. How to find the determinant of a 2 2 matrix and solve a few related problems. Using matrices to solve systems. Write the system the matrix equations and solve.
Oh well no harm done. And now you ll know what to do if you see these types of matrices problems. Just to provide you with the general idea two matrices are inverses of each other if their product is the identity matrix. Begin pmatrix 2 3 10 16 end pmatrix begin pmatrix x y end pmatrix begin pmatrix 1 2 end pmatrix.
The sum of three numbers is 26. This is the currently selected item. Finding the numbers word problem. The determinant of a 2x2 matrix.