Today in class we...
Discussed solving 3x3 systems of equations: Use 3:2:1:1:2:3 to help remember the goal of eliminating a variable to get to a system of 2 equations with 2 variables, then using elimination again to solve for one variable, then use substitution and work backwards to find the 2nd and then the 3rd variable.
Answered other questions from LS 92-110...this assignment will be due on Friday so that you can have a chance to finish...
Introduced Matrix Equations and worked through problems 111-117, 125 and 126 together.
Completed LS118-121 for homework due Friday.
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