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Matrices

In the Real World

Any data that is organized in columns and rows can be represented as a matrix. Matrices are used to represent real-world data such as the habits, or traits of a population of people.

This Page: Variables & Matrices
Other Pages: Introduction to Matrices | Matrix Equations | Matrix Transformations | Matrix Movie Effect

Eye Color In Class

Gender	Brown Eyes	Blue Eyes	Green Eyes	Black Eyes
Male	9	3	2	4
Female	2	11	4	5

Table above Expressed as Matrix Matrix

Student Populations At Certain Manhattan High Schools

Gender	George Washington	Brandeis	JFK
boys	230	250	225
girls	223	229	249

Create a Matrix based on the data represented in the table above.
Show Matrix

U.S Households with Television (in millions)

Type	1980	1982	1984	1990
Color	82	85	88	93
Black & White	51	47	43	36

(source: Nielsen Media Research) Create a Matrix based on the data represented in the table above.
Show Matrix

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How to solve Absolute Value Equations

How to Solve Absolute Value Inequalities

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Equation of a circle (Standard Form)

Imaginary Numbers (how to simplify imaginary numbers)

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laws of exponents

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Exponential growth of populations (how exponential growth functions model real world population growth)

Intective demonstration of Exponential Growth

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Fractions

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Free Math HelpFormlas : Alphabetical list of math formulasLE

Slope Intercept Form

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System of Linear Equations

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Practice finding the y-intercept

Absolute value functions (linear) : graph & equation

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Linear InequalitiesInteractive Linear Inequality

Systems of Linear Inequalities

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Logic, Truth Values and Mathematical Statements Matrix (dimensions, notation, rows, columns, addition, subtraction)

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Order of Operations

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Parabolas (How to Graph and Plot)

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Vertex and Standard Form Equation of a Parabola

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s = rθ

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Resultant Vector

Worksheets and Activities Free online math worksheetsMath Store, books, games, puzzlesbuy movie onlinebuy video gamesWord problems on buying video gamesWord problems on buying moviesprobability of dependent eventsprobability of independent eventslaw of sinesambiguous case of the law of sines addition property of equalityisosceles triangle