HOW TO FIND THE DETERMINANT OF A 2x2AND 3x3 MATRIX
Warm-Up
Use the following matrices to answer questions 1-14.
I can add A + B.
I can subtract w from D.
C + D = D + C
I can multiply AB.
I can multiply BD.
I can multiply DB.
BD = DB
AB = BA
Look at each square matrix. If you had to choose one number to represent an individual square matrix, how would you select that number?
For example, what one number would you use to represent the data in matrix B? matrix H?