Learning objectives

• Perform basic arithmetic operations with matrices
• Invert square matrices (when possible) using row operations
• Explore criteria for invertibility

Before class

• Read Lay sections 2.1, 2.2, 2.3
• Consult notes to the textbook (if you wish)
• Ponder Lay problems  2.1: 5, 13, 15, 17, 18, 19, 21, 24, 27; 2.2: 1, 5, 9, 13, 15, 17, 21, 35; 2.3: 1-4, 11, 13, 17, 33.
• Post to Piazza
• Do WeBWorK assignments.
• Turn in written solutions to 1.4#31, 32 and 1.5#16.

In class

• Work and discuss matrix problems

Daily Schedule|WeBWorK|Piazza