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Inverse and Identity Matrices Can only be used for square matrices. (2x2, 3x3, etc.)
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### Transcript of Inverse and Identity Matrices Can only be used for square matrices. (2x2, 3x3, etc.)

• Inverse and Identity MatricesCan only be used for square matrices. (2x2, 3x3, etc.)

• Identity Matrixidentity number used to keep a value the sameidentity matrix matrix used to keep a matrix the sameA*I = I*A = A

• Inverse Matrixinverse number used to get the identityinverse matrix matrix used to get the identity matrixA*A-1 = A-1*A = I

• Inverse Matrix

• Inverse Matrix

• Inverse Matrix

• Inverse Matrix

• Solving Systems3x 5y = -26-x + 2y = 10

• Solving Systems3x 5y = -26-x + 2y = 10

• Solving Systems3x 5y = -26-x + 2y = 10

• Solving Systems3x 5y = -26-x + 2y = 10

• Solving Systems3x 5y = -26-x + 2y = 10

• Solving Systems3x 5y = -26-x + 2y = 10( -2 , 4 )

• PracticeSolve the system using the inverse matrix.x y = 22x + 3y = 14