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6.6 Organizing Data Using Matrices

6.6 Organizing Data Using Matrices. Objective: Organize data into matrix Perform matrix operations. Vocabulary. Matrix: A rectangular arrangement of numbers in rows and columns enclosed in brackets. Another way to organize data Element: A number in a matrix.

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6.6 Organizing Data Using Matrices

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  1. 6.6 Organizing Data Using Matrices Objective: Organize data into matrix Perform matrix operations

  2. Vocabulary • Matrix: • A rectangular arrangement of numbers in rows and columns enclosed in brackets. • Another way to organize data • Element: • A number in a matrix

  3. A matrix is described by the number of rows and columns it contains this is called the Dimension

  4. Example This matrix has 3 rows and 2 columns Therefore it is a 3 x 2 matrix

  5. What is the dimension of this matrix? 1 x 4

  6. Which element is in Row 1 Column 2

  7. Which element is in Row 1 Column 4

  8. Table

  9. Page 370 # 2 For a matinee, a movie theater charges $5.25 for an adult and $4.50 for a child. Evening admission is $8.75 for an adult and $5.75 for a child. Organize the prices into a matrix. What are the dimensions of the matrix?

  10. NOTE If the dimensions are different we CANNOT add or subtract them.

  11. A= B= COPY THIS C=

  12. A + B =

  13. B + C =

  14. B – A =

  15. A – C =

  16. SCALAR A constant that is multiplied by a Matrix.

  17. Scalar Multiplication The multiplying of each element in a matrix by a constant term.

  18. COPY THIS

  19. 4A=

  20. -3A=

  21. Class Work Page 372 #1-8

  22. Homework Page 372 #10-24 even

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