Algebra 2 X unit 3: linear systems of equations

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When trying to solve a system of equations using Cramer’s Rule, what do you think a determinant of zero indicates about the solution Day 8 Solving Systems Using Matrix Inverses (

Closure

What is the determinant of ?

When trying to solve a system of equations using Cramer’s Rule, what do you think a determinant of zero indicates about the solution?

Day 8 Solving Systems Using Matrix Inverses (Review Multiplication)

First, determine the dimensions of the matrices.

2 x 2 2 x 3 Do you remember what the dimensions tell you?

Try These Matrix Multiplications (by hand)

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