Ch4.4 Systems W Matrices

In other words… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

4.4 Solving System of Equations Use matrices to solve systems of linear equations in mathematical and real world situations.

Why? ,[object Object],[object Object]

Solving Systems by matrices. ,[object Object],[object Object],[object Object],[object Object],[object Object]

Investments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Undo… ,[object Object],[object Object],[object Object],[object Object]

Solving the Matrix ,[object Object],[object Object]

Investing ,[object Object],[object Object],[object Object]

Solving a system in 3 variables. ,[object Object],[object Object],[object Object],[object Object],[object Object]

Write the system as a matrix equation. ,[object Object],[object Object],[object Object]

Multiply by the Inverse ,[object Object],[object Object],[object Object]

Solution ,[object Object],[object Object],[object Object]

Solve the System ,[object Object]

Check ,[object Object],[object Object],[object Object]

Try this… ,[object Object],[object Object]

Dependant or Inconsistent Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

questions? Assignment 4.4 # 12,15, 18, 19, 25,26, 28, 30, 33, 34, 36. grrrrrrrrrrrr

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