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Learn to solve systems of equations with three variables using matrices. Understand the concept of matrices as rectangular arrays of numbers to efficiently find solutions. Practice various examples and formulas provided on page 179:15-20, 24-27, 32, 33, 36, 37.
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3-6Systems with Three Variables Objective: I can use matrices to solve systems.
Matrix: • A rectangular array of numbers. • Dimensions: rows × columns Matrix Name
Solve each system using matrices Solution:( , ) Solution: ( , , )
Solve each system using matrices Solution:( -1.5, -0.5) Solution: ( -2 , 3, 5) p.179:15-20, 24-27, 32, 33, 36, 37