Algebra 2
Explore Units 1–12 in order with worked examples, fresh practice and printable worksheets. Build from functions through exponentials, sequences, trigonometry, statistics, probability and conic sections.
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Unit 0 · Textbook foundations: equations, lines and systems
11 lessons
Real numbers and their properties
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Explore lesson ↗0.2Algebraic expressions
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Explore lesson ↗0.3Linear equations and reasoning
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Explore lesson ↗0.4Formulas and mathematical models
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Explore lesson ↗0.5Linear and compound inequalities
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Explore lesson ↗0.6Lines and rates of change
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Explore lesson ↗0.7Relations and linear models
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Explore lesson ↗0.8Linear systems
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Explore lesson ↗0.9Linear inequalities in two variables
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Explore lesson ↗0.10Matrices and linear systems
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Explore lesson ↗0.11Linear programming
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Explore lesson ↗Unit 1 · Functions and transformations
5 lessons
Function notation, domain and range
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Explore lesson ↗1.2Parent functions and transformations
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Explore lesson ↗1.3Piecewise functions
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Explore lesson ↗1.4Absolute value functions
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Explore lesson ↗1.5Comparing and combining functions
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Explore lesson ↗Unit 2 · Quadratics
6 lessons
Quadratic forms and graph features
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Explore lesson ↗2.2Factoring and solving quadratics
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Explore lesson ↗2.3Completing the square
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Explore lesson ↗2.4Quadratic formula and discriminant
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Explore lesson ↗2.5Quadratic applications
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Explore lesson ↗2.6Quadratic inequalities
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Explore lesson ↗Unit 3 · Complex numbers
3 lessons
Unit 4 · Polynomials and polynomial functions
8 lessons
Polynomial structure and operations
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Explore lesson ↗4.2Long and synthetic division
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Explore lesson ↗4.3Remainder and factor theorems
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Explore lesson ↗4.4Zeros, multiplicity and end behavior
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Explore lesson ↗4.5Analyze polynomial graphs
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Explore lesson ↗4.6Rational and nonreal zeros
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Explore lesson ↗4.7Polynomial identities and models
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Explore lesson ↗4.8Polynomial identities and binomial expansions
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Explore lesson ↗Unit 5 · Rational exponents and radical functions
7 lessons
Roots and rational exponents
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Explore lesson ↗5.2Properties of rational exponents
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Explore lesson ↗5.3Function operations and composition
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Explore lesson ↗5.4Inverse functions
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Explore lesson ↗5.5Graphing radical functions
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Explore lesson ↗5.6Radical equations
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Explore lesson ↗5.7Power functions and models
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Explore lesson ↗Unit 6 · Rational expressions and functions
8 lessons
Simplifying rational expressions
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Explore lesson ↗6.2Multiplying and dividing rational expressions
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Explore lesson ↗6.3Adding and subtracting rational expressions
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Explore lesson ↗6.4Complex fractions
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Explore lesson ↗6.5Graphing rational functions
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Explore lesson ↗6.6Rational equations
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Explore lesson ↗6.7Rational inequalities
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Explore lesson ↗6.8Variation and applications
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Explore lesson ↗Unit 7 · Exponential and logarithmic functions
6 lessons
Exponential functions and their graphs
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Explore lesson ↗7.2Logarithms and inverse functions
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Explore lesson ↗7.3Properties of logarithms
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Explore lesson ↗7.4Exponential equations
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Explore lesson ↗7.5Logarithmic equations
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Explore lesson ↗7.6Growth, decay and financial models
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Explore lesson ↗Unit 8 · Sequences and series
6 lessons
Sequences and recursive rules
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Explore lesson ↗8.2Arithmetic sequences
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Explore lesson ↗8.3Geometric sequences
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Explore lesson ↗8.4Finite series and sigma notation
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Explore lesson ↗8.5Infinite geometric series
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Explore lesson ↗8.6Recursive functions
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Explore lesson ↗Unit 9 · Trigonometric functions and equations
7 lessons
Angles and the unit circle
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Explore lesson ↗9.2Exact trigonometric values
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Explore lesson ↗9.3Graphs of trigonometric functions
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Explore lesson ↗9.4Trigonometric identities
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Explore lesson ↗9.5Trigonometric equations
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Explore lesson ↗9.6Periodic and triangle models
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Explore lesson ↗9.7Inverse trigonometric functions
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Explore lesson ↗Unit 10 · Statistics and inference
6 lessons
Describing and comparing data
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Explore lesson ↗10.2Scatterplots, regression and residuals
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Explore lesson ↗10.3Normal distributions
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Explore lesson ↗10.4Sampling and experimental design
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Explore lesson ↗10.5Inference and simulation
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Explore lesson ↗10.6Central tendency and data transformations
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Explore lesson ↗Unit 11 · Probability and counting
5 lessons
Sample spaces and probability rules
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Explore lesson ↗11.2Conditional probability and independence
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Explore lesson ↗11.3Counting principles and permutations
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Explore lesson ↗11.4Combinations and binomial probability
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Explore lesson ↗11.5Random variables and decisions
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Explore lesson ↗Unit 12 · Conic sections
6 lessons
Circles
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Explore lesson ↗12.2Parabolas
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Explore lesson ↗12.3Ellipses
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Explore lesson ↗12.4Hyperbolas
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Explore lesson ↗12.5General forms and conic models
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Explore lesson ↗12.6Coordinate geometry foundations
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