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Understanding Matrix Operations: Pre-Calculus Concepts for Real-World Data Modeling

Explore matrices in the context of real-world data modeling. Learn about matrix elements, dimensions, and operations such as scalar multiplication and additive identity. Practice solving matrix equations and operations to enhance your pre-calculus skills.

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Understanding Matrix Operations: Pre-Calculus Concepts for Real-World Data Modeling

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  1. 2-3 Modeling Real World Data with Matrices Pre Calc A

  2. Vocabulary • Matrix • Elements • Dimensions • Additive identity matrix • scalar

  3. Matrix • Rows x Columns • Named by Capital Letters 5 8 4 9 -2 3 0 3 4 7 1 -7 3 x 4 matrix 12 elements

  4. Ex 17: • Find the values of x and y y 4x y – 3 2x + 1

  5. Ex : • Find A + B if A = -7 4 and B = 6 10 5 0 8 -9 3 -1 -2 5

  6. Ex last one: If A = 5 -2 find 4A 3 8 -1 -9

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