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Chapter 4

Chapter 4. Section 2 Adding and Subtracting Matrices. Matrix Addition/Subtraction Must have the same dimensions Add or Subtract the corresponding elements. Zero Matrix: 0 or 0 mxn Matrix filled with zeros Opposite/Additive Inverse: A + (-A) = 0. a) b).

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Chapter 4

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  1. Chapter 4 Section 2 Adding and Subtracting Matrices

  2. Matrix Addition/Subtraction • Must have the same dimensions • Add or Subtract the corresponding elements

  3. Zero Matrix: 0 or 0mxn • Matrix filled with zeros • Opposite/Additive Inverse: • A + (-A) = 0

  4. a) b) • Matrix Equation – an equation where the variable is a matrix • Solve:

  5. Equal Matrices - Matrices with the same dimensions and equal corresponding elements • Are they equal matrices? • a) b)

  6. Find the unknown variable

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