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3.5 Perform Basic Matrix Operations

3.5 Perform Basic Matrix Operations. Add Matrices Subtract Matrices Solve Matric equations for x and y. Key Vocabulary :. Matrix: Dimensions: Elements: Equal: Scalar: Scalar Multiplication:. Dimensions and Elements.

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3.5 Perform Basic Matrix Operations

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  1. 3.5 Perform Basic Matrix Operations Add Matrices Subtract Matrices Solve Matric equations for x and y

  2. Key Vocabulary: • Matrix: • Dimensions: • Elements: • Equal: • Scalar: • Scalar Multiplication:

  3. Dimensions and Elements • Name the dimensions of the matrices and how many elements are in each matrix. • Ex:

  4. Adding and Subtracting Matrices • To add or subtract matrices, simply add or subtract elements in corresponding positions. • Add two matrices together:

  5. Subtract two matrices:

  6. Multiply a Matrix by a Scalar • Scalar: a real number used to multiply to each element in the matrix. Ex:

  7. Solve a Matrix Equation: • Step 1: Identify the variables in the matrices. • Step 2: Set up equations using elements in corresponding positions from all the matrices. • Step 3: Solve the equation for the variable. • Ex:

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