1. APLIMAT

2. Matrix Matrix is defined as a rectangular array of numbers A table of number or set of number The numbers inside the matrix is called elements or entries.

3. Matrix Column A Row 2 X 2 Column Row X 5 X 2

4. Matrix (Addition & Subtraction) B A + A B - A B

5. Matrix (Multiplication) x Solution:

6. Matrix (Multiplication) x

7. Identity Matrix Multiplying a matrix to its inverse will give the following matrices:

8. Inverse Matrix (Part 1) Formula: A 1 A -1 ___________________ ad - bc

9. Inverse Matrix (Part 1) A ad - bc 1 A -1 ___________________ A

10. Inverse Matrix (Part 1) B -1 1 B ___________________ (3*-5)-(-4*2)

11. Inverse Matrix (Part 1) -1 B x OR

12. Inverse Matrix (Part 2) A Matrix of Minor

13. Inverse Matrix (Part 2) Apply the signs Matrix of Cofactors Adjecate(A) = The diagonal stays the same.

14. Inverse Matrix (Part 2) A 1*1 + 0*1 + 1*-2 A -1 -1 A