Documents Identity & Inverse Matrices. Identity In other words, 5 * __= 5? What does “identity” mean to...

Identity & Inverse Matrices Identity In other words, 5 * __= 5? What does “identity” mean to you? What is the multiplicative identity for the real numbers? The identity…

Documents Copyright © Cengage Learning. All rights reserved. 2 SYSTEMS OF LINEAR EQUATIONS AND MATRICES Read....

Slide 1 Copyright © Cengage Learning. All rights reserved. 2 SYSTEMS OF LINEAR EQUATIONS AND MATRICES Read pp. 129-30. Stop at “Inverse of a Matrix” box ‹#› 1 Copyright…

Documents Warm-Up

Warm-Up 3) Find the determinant by hand. 4) Find the determinant using your calculator. 1) Multiply. Show work. 2) Multiply. Show work. Daily Quiz â you may not use your…

Documents EXAMPLE 1 Evaluate determinants Evaluate the determinant of the matrix. a.54 31 SOLUTION b.2 3 4 1 1...

EXAMPLE 1 Evaluate determinants Evaluate the determinant of the matrix. SOLUTION EXAMPLE 2 Find the area of a triangular region EXAMPLE 2 Find the area of a triangular region…