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Section 4-2

Section 4-2. Adding and Subtracting Matrices. I. Matrices can be added or subtracted if they are the same size. Both matrices are 2x2. +. To add them just add the corresponding elements. 1.) Find the resulting matrix:. Both matrices are 2x2. Scalar multiplication. Both matrices

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Section 4-2

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  1. Section 4-2 Adding and Subtracting Matrices

  2. I. Matrices can be added or subtracted if they are the same size Both matrices are 2x2 + To add them just add the corresponding elements

  3. 1.) Find the resulting matrix: Both matrices are 2x2 Scalar multiplication Both matrices are still 2x2

  4. 2.) Add the matrices:

  5. 3.) Find the coordinates of the vertices of quadrilateral QRST if it is moved 3 units to the right and 5 units up QRST Vertices (-2, 9), (-5, 2), (2, 1), (3, 8) Add (3, 5), (3, 5), (3, 5), (3, 5) +

  6. Homework Practice Worksheet 4-2 Page 197 Problems: 11-19 (odd),

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