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 U N I T 2 : W H AT I S A M AT R I X R E A L LY ? Sec 1: Organizing Data into Matrices What do you think a matrix is? DEFINITION Matrix (plural: matrices) a rectangular array of numbers written within brackets. T H I N G S Y O U C A N D O W I T H A M AT R I X
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. 4 [ 2
1 6 3 0 5 7 9 ] [ 1 B. 4 3
3 ] 1 2 0 0.5  C. EX 2: I D E N T I F Y I N G A M AT R I X ELEMENT
A= Find each of the following elements: EX 3: ORGANIZING DATA U.S. Russia Production Column1 China Energy is often measured in British Thermal Units (Btu).
1. Write a 3 x 2 matrix to represent the data above. 2. Rewrite the information as a 2 x 3 matrix. EX 4: GYMNASTICS Gymnast Floor Exercise Vault Balance Beam Uneven Bars Amy Chow
9.687 9.687 a. Write a matrix W to represent the information. b. What are the dimensions of the matrix? c. Which element represents Kristin Maloneys score on the vault? HOMEWORK Organizing Data into Matrices Worksheet
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