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Learning Target: I will organize information using matrices, give dimensions of a matrix and identify elements of a matrix. Homework : Organizing Data into Matrices Worksheet. Unit 2: What is a matrix – really?. Sec 1: Organizing Data into Matrices. What do you think a matrix is?.
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Learning Target: I will organize information using matrices, give dimensions of a matrix and identify elements of a matrix. Homework: Organizing Data into Matrices Worksheet Unit 2: What is a matrix – really? Sec 1: Organizing Data into Matrices
Definition • Matrix (plural: matrices) – a rectangular array of numbers written within brackets.
Things you can do with a matrix • Organize Information • Add, Subtract and Multiply to find quantities quickly with large groups of information. • Find missing quantities • Solve systems of equations • Transform geometric figures: rotate, reflect, translate
Ex 1: Dimensions • The number of horizontal rows and vertical columns determine the dimensions of a matrix State the dimensions of each matrix. A. B. C.
Ex 2: Identifying a Matrix Element A = Find each of the following elements:
Ex 3: organizing data Energy is often measured in British Thermal Units (Btu). Write a 3 x 2 matrix to represent the data above. Rewrite the information as a 2 x 3 matrix.
Ex 4: Gymnastics Write a matrix W to represent the information. b. What are the dimensions of the matrix? c. Which element represents Kristin Maloney’s score on the vault?
homework • Organizing Data into Matrices Worksheet