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Algebra, Book 3 (Straight Forward Math Series) (Straight Forward Large Edition)

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Description

Topics come with: Matrices; Chance Concepts; Factorials; Sequences and Summation Notation Statistical Concepts.

Table Of Contents

INTRODUCTION
CHAPTER 1: Quadratic Equations: A Review & Extension
What is a Quadratic Equation?

Solving Quadratic Equations: A Review
The Sq. Root Method
The Zero Product Method
The Quadratic Formula Method
The Discriminant

Completing the Square

Completing the Sq.: Approach 1
Completing the Sq.: Approach 2
Completing the Sq.: Approach 3

CHAPTER 2: Systems of Equations
Systems & Solutions
Solutions Strategies for Two Equations with Two Variables Cases

Graphing Method
Substitution Method
Addition Method

Solutions Strategies for Three Equations with Three Variables Cases

Substitution Method
Addition Method

CHAPTER 3: Matrices
Systems of Equations as Augmented Matrices
Row Operations on Matrices
Solving Systems of Equations The usage of Matrices

Row Echelon Form

Solving Augmented Matrices in Row Echelon Form
Determinants

The Determinant or 2×2 Matrices
The Determinant or 3×3 Matrices
Co-Factor Expansion & 3×3 Determinant

Matrix Algebra

Equality
Addition
Substition

Multiplication

CHAPTER 4: Chance Concepts

Factorials

Ratios of Factorials

The Counting Principle
The Chance of an Event
Permutations
Combinations

CHAPTER 5: Sequences & Summation Notation

Quickly Evaluating Huge Sums

Infinite Sums

Arithmetic vs. Geometric Sequences

Mathematics Sequences & Answer Methods
Geometric Sequences & Answer Methods

CHAPTER 6: Statistical Concepts
Measures of Central Tendency

Mean
Median
Mode

Measure of Dispersion

Variance
Same old Deviation

CUMULATIVE TEST

ANSWERS

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