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Algebra 2

Algebra 2 builds on the foundation of Algebra 1 and introduces the advanced concepts students need for higher-level math and college readiness. Explore our growing collection of step-by-step video lessons covering quadratics, polynomial operations, exponential and logarithmic functions, rational expressions, sequences, and more.

New tutorials are added almost daily to help you learn, review, and succeed with confidence.

Algebra 2 Video Lessons

Rational Expressions & Rational Functions

Simplifying Rational Expressions

Complex Fractions

Vertical Asymptotes of Rational Functions

Vertical Asymptotes Made Simple

Finding Holes in Rational Functions

Radicals & Rational Exponents

Converting Exponents to Radicals

Simplifying Radical Form

Rational Negative Exponents

Multiplying Radicals with Different Indexes

Solving Radical Equations

Extraneous Solutions

Laws of Exponents

Why We Check Our Answers When Solving Radical Equations

Polynomials & Factoring

Synthetic Division

Factoring Polynomials

Factoring Difference of Perfect Squares

Polynomial Long Division

Factoring When a ≠ 1

Functions

Inverse Functions

Composite Functions

Intervals of Increase & Decrease

Decreasing AND Concave Up

Systems of Inequalities + Desmos

Absolute Value Inequalities

Quadratics

Completing the Square

Roots AND Vertex of a Quadratic

Vertex of a Quadratic

Vertex Form → Standard Form

Graph Transformations

Quadratic Missing Coefficient via Desmos Table + Regression

Matrices

Adding Matrices

Sequences

Sequences — Number Patterns

Complex Numbers

Imaginary / Complex Numbers

Complex Conjugates

Exponential & Financial Math

Compound Interest

Simple Interest

Trigonometry & Conics

Unit Circle (points as (cos θ, sin θ))

Unit Circle (degrees/radians; 180° = π)

Circle Center & Radius from Standard Form

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