Algebra 2 help
Free Algebra 2 help with functions, quadratics, polynomials, radicals, logarithms, and trigonometry. Review the prerequisites and work through each lesson.
Where to start
Review function notation, linear equations, and factoring before tackling the newer function families. Then compare how polynomial, radical, exponential, logarithmic, and rational functions behave instead of treating each rule as unrelated.
Keep track of domain restrictions while you work. Squaring both sides or clearing a denominator can produce answers that fail in the original equation, so check each candidate solution before you finish.
Algebra 2
82 lessonsRight Triangles & Trig
Functions
- 1.1Function Notation, Evaluating & Interpreting
- 1.2Domain & Range from Graphs and Equations
- 1.3Interval & Set-Builder Notation
- 1.4Key Features of Functions
- 1.5Functions & Continuity
- 1.6Symmetry: Even & Odd Functions
- 1.7Sketching & Comparing Functions
- 1.8Graphing Linear Functions & Inequalities
- 1.9Piecewise, Step & Absolute Value Functions
- 1.10Transformations of Functions
Linear Equations & Systems
Quadratic Functions
- 3.1Graphing Quadratic Functions
- 3.2Solving Quadratic Equations by Graphing
- 3.3The Imaginary Unit i & Powers of i
- 3.4Adding & Subtracting Complex Numbers
- 3.5Multiplying Complex Numbers & Conjugates
- 3.6Solving Quadratic Equations by Factoring
- 3.7Solving Quadratics by Square Roots
- 3.8Completing the Square
- 3.9The Quadratic Formula over the Complex Numbers
- 3.10The Discriminant & Nature of Roots
- 3.11Quadratic Inequalities
- 3.12Solving Linear-Nonlinear Systems
- 3.13Parabolas: Focus, Directrix & Equations
Polynomial Functions
Polynomial Equations
Radical Functions
Exponential Functions
Logarithms
Statistics
Trigonometry
Free Algebra 2 worksheets
Use these printable worksheets for extra practice, with an answer key included.
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