Math Handbook of Formulas, Processes and Tricks
嚜燐ath Handbook
of Formulas, Processes and Tricks
(mathguy.us)
Algebra and PreCalculus
Prepared by: Earl L. Whitney, FSA, MAAA
Version 3.5
October 17, 2022
Copyright 2008坼22, Earl Whitney, Reno NV. All Rights Reserved
Algebra Handbook
Table of Contents
Page
Description
9
10
11
12
13
14
Chapter 1: Basics
Order of Operations (PEMDAS, Parenthetical Device)
Graphing with Coordinates (Coordinates, Plotting Points)
Linear Patterns (Recognition, Converting to an Equation)
Identifying Number Patterns
Completing Number Patterns
Real Number Sets (Sets of Numbers, Real Number Set Tree)
15
16
Chapter 2: Operations
Operating with Real Numbers (Absolute Value, Add, Subtract, Multiply, Divide)
Properties of Algebra (Addition & Multiplication, Zero, Equality)
18
19
Chapter 3: Solving Equations
Solving Multi坼Step Equations
Tips and Tricks in Solving Multi坼Step Equations
20
21
22
23
Chapter 4: Probability & Statistics
Probability and Odds
Probability with Dice
Combinations
Statistical Measures
24
25
26
27
28
29
30
31
32
33
34
Chapter 5: Functions
Introduction to Functions (Definitions, Line Tests)
Special Integer Functions
Operations with Functions
Composition of Functions
Inverses of Functions
Transformation 每 Translation
Transformation 每 Vertical Stretch and Compression
Transformation 每 Horizontal Stretch and Compression
Transformation 每 Reflection
Transformation 每 Summary
Building a Graph with Transformations
Cover art by Rebecca Williams,
Twitter handle: @jolteonkitty
Version 3.5
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October 17, 2022
Algebra Handbook
Table of Contents
Page
Description
35
36
37
38
39
40
41
Chapter 6: Linear Functions
Slope of a Line (Mathematical Definition)
Slope of a Line (Rise over Run)
Slopes of Various Lines (8 Variations)
Various Forms of a Line (Standard, Slope坼Intercept, Point坼Slope)
Slopes of Parallel and Perpendicular Lines
Parallel, Perpendicular or Neither
Parallel, Coincident or Intersecting
42
43
44
45
46
47
48
Chapter 7: Inequalities
Properties of Inequalities
Graphs of Inequalities in One Dimension
Compound Inequalities in One Dimension
Inequalities in Two Dimensions
Graphs of Inequalities in Two Dimensions
Absolute Value Functions (Equations)
Absolute Value Functions (Inequalities)
49
50
51
52
53
54
55
Chapter 8: Systems of Equations
Graphing a Solution
Substitution Method
Elimination Method
Classification of Systems of Equations
Linear Dependence
Systems of Inequalities in Two Dimensions
Parametric Equations
56
57
58
59
Chapter 9: Exponents (Basic) and Scientific Notation
Exponent Formulas
Scientific Notation (Format, Conversion)
Adding and Subtracting with Scientific Notation
Multiplying and Dividing with Scientific Notation
Version 3.5
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October 17, 2022
Algebra Handbook
Table of Contents
Page
Description
60
61
62
63
64
65
66
67
68
69
70
71
72
Chapter 10: Polynomials 每 Basic
Introduction to Polynomials
Adding and Subtracting Polynomials
Multiplying Binomials (FOIL, Box, Numerical Methods)
Multiplying Polynomials
Dividing Polynomials
Factoring Polynomials
Special Forms of Quadratic Functions (Perfect Squares)
Special Forms of Quadratic Functions (Differences of Squares)
Factoring Trinomials 每 Simple Case Method
Factoring Trinomials 每 AC Method
Factoring Trinomials 每 Brute Force Method
Factoring Trinomials 每 Quadratic Formula Method
Solving Equations by Factoring
73
74
75
76
77
79
Chapter 11: Quadratic Functions
Introduction to Quadratic Functions
Completing the Square
Table of Powers and Roots
The Quadratic Formula
Quadratic Inequalities in One Variable
Fitting a Quadratic through Three Points
80
81
82
83
84
85
Chapter 12: Complex Numbers
Complex Numbers 坼 Introduction
Operations with Complex Numbers
The Square Root of i
Complex Numbers 每 Graphical Representation
Complex Number Operations in Polar Coordinates
Complex Solutions to Quadratic Equations
86
87
88
89
Chapter 13: Radicals
Radical Rules
Simplifying Square Roots (Extracting Squares, Extracting Primes)
Solving Radical Equations
Solving Radical Equations (Positive Roots, The Missing Step)
Version 3.5
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October 17, 2022
Algebra Handbook
Table of Contents
Page
Description
90
91
92
93
94
95
96
97
99
100
101
102
103
104
105
106
107
Chapter 14: Matrices
Matrix Addition and Scalar Multiplication
Matrix Multiplication
Identity Matrices and Inverse Matrices
Inverse of a 2x2 Matrix
Determinants 每 The General Case
Matrix Division and Inverses
Calculating Inverses 每 The General Case (Gauss坼Jordan Elimination)
Calculating Inverses Using Adjoint Matrices
Cramer*s Rule 每 2 Equations
Cramer*s Rule 每 3 Equations
Augmented Matrices
2x2 Augmented Matrix Examples
3x3 Augmented Matrix Example
Characteristic Equation and Eigenvalues
Eigenvectors
2x2 Eigenvalues and Eigenvectors 每 General Case
Calculating Inverses Using Characteristic Equations
109
110
111
112
113
114
115
116
117
118
119
122
123
124
125
Chapter 15: Exponents and Logarithms
Exponent Formulas
Logarithm Formulas
e
Table of Exponents and Logs
Converting Between Exponential and Logarithmic Forms
Expanding Logarithmic Expressions
Condensing Logarithmic Expressions
Condensing Logarithmic Expressions 每 More Examples
Graphing an Exponential Function
Four Exponential Function Graphs
Graphing a Logarithmic Function
Four Logarithmic Function Graphs
Graphs of Various Functions
Applications of Exponential Functions (Growth, Decay, Interest)
Solving Exponential and Logarithmic Equations
Version 3.5
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