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## Algebra 2 help

##### Start learning Algebra 2 by topic or lesson

- What are the Different Types of Numbers?
- Graphing Rational Numbers on a Number Line
- Notation for Rational Numbers, Fractions & Decimals
- The Order of Real Numbers
- Finding the Absolute Value of a Real Number
- How to Rationalize the Denominator with a Radical Expression
- Algebraic Numbers and Transcendental Numbers
- Practice test: Identifying Real Numbers

- What is the Correct Setup to Solve Math Problems?
- Understanding and Evaluating Math Formulas
- Expressing Relationships as Algebraic Expressions
- Evaluating Simple Algebraic Expressions
- Combining Like Terms in Algebraic Expressions
- Practice Simplifying Algebraic Expressions
- Negative Signs and Simplifying Algebraic Expressions
- Practice test: Solving Algebraic Expressions & Equations

- How to Multiply and Divide Rational Expressions
- Multiplying and Dividing Rational Expressions
- How to Add and Subtract Rational Expressions
- Practice Adding and Subtracting Rational Expressions
- How to Solve a Rational Equation
- Rational Equations
- Division and Reciprocals of Rational Expressions
- Practice test: Calculating Rational Expressions

- What is a Linear Equation?
- Applying the Distributive Property to Linear Equations
- Linear Equations
- Abstract Algebraic Examples and Going from a Graph to a Rule
- Graphing Undefined Slope, Zero Slope and More
- Graphs of Parallel and Perpendicular Lines in Linear Equations
- How to Write a Linear Equation
- Practice test: Working with Linear Equations

- What is an Inequality?
- How to Graph 1- and 2-Variable Inequalities
- Set Notation, Compound Inequalities, and Systems of Inequalities
- Graphing Inequalities
- How to Solve and Graph an Absolute Value Inequality
- Solving and Graphing Absolute Value Inequalities
- Translating Math Sentences to Inequalities
- Practice test: Solving & Graphing Inequalities

- What is a System of Equations?
- How Do I Use a System of Equations?
- How to Solve a System of Linear Equations in Two Variables
- How to Solve a Linear System in Three Variables With a Solution
- How to Solve a Linear System in Three Variables With No or Infinite Solutions
- Practice test: Solving Linear Equations

- How to Evaluate a Polynomial in Function Notation
- Understanding Basic Polynomial Graphs
- Basic Transformations of Polynomial Graphs
- How to Graph Cubics, Quartics, Quintics and Beyond
- How to Add, Subtract and Multiply Polynomials
- Pascal's Triangle
- The Binomial Theorem
- Practice test: Calculating & Graphing Polynomials

- How to Use Exponential Notation
- Scientific Notation
- Simplifying and Solving Exponential Expressions
- Exponential Expressions & The Order of Operations
- Multiplying Exponential Expressions
- Dividing Exponential Expressions
- The Power of Zero
- Practice test: Calculating & Simplifying Exponential Expressions

- How to Find the Square Root of a Number
- Estimating Square Roots
- Simplifying Square Roots When not a Perfect Square
- Simplifying Expressions Containing Square Roots
- Radicands and Radical Expressions
- Evaluating Square Roots of Perfect Squares
- Factoring Radical Expressions
- Practice test: Square Roots & Radical Expressions

- Using Tables and Graphs in the Real World
- Scatterplots and Line Graphs
- Multiplying Binomials Using FOIL and the Area Method
- Multiplying Binomials Using FOIL & the Area Method
- How to Factor Quadratic Equations
- Factoring Quadratic Equations
- Solving Quadratic Trinomials by Factoring
- Practice test: Factoring & Graphing Quadratic Equations

- Performing Operations on Vectors in the Plane
- The Dot Product of Vectors
- What is a Matrix?
- Multiplicative Inverses of Matrices and Matrix Equations
- How to Take a Determinant of a Matrix
- How to Write an Augmented Matrix for a Linear System
- How to Perform Matrix Row Operations
- Practice test: Vectors, Matrices and Determinants

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