Algebra II Videos

Mary Ellen Ensign, Instructor

☆ How to Use these Videos

Chapters Sections Videos

Chapter 1. Quadratic Functions

1.1 Factor a Trinomial by Grouping

📹 Factor a Trinomial by Grouping

1.2 Solve Quadratics with a≠1

📹 Transforming Method

📹 Factor by Grouping

📹 Complete the Square

📹 Quadratic Formula

1.3 Graphs of Quadratic Functions

📹 Graphs of Quadratic Functions

1.4 Vertex Form and Transformations

📹 Vertex Form

📹 Transformations of Parabolas

Chapter 2. Imaginary Numbers

2.1 Set of Complex Numbers

📹 Negative Radicands

📹 Powers of i

2.2 Operations with Complex Numbers

📹 Operations with Complex Numbers

2.3 Imaginary Roots

📹 Solve Quadratics with Imaginary Roots

📹 Quadratic Formula

📹 Conjugates

Chapter 3. Circles

3.1 Equations of Circles

📹 Equations of Circles

3.2 Circle-Linear Systems

📹 Circle-Linear Systems

Chapter 4. Polynomial Functions

4.1 Operations with Functions

📹 Combining Functions

📹 Expressions as Arguments of Functions

4.2 Long Division

📹 Long Division

4.3 Synthetic Division

📹 Synthetic Division

4.4 Remainder Theorem

📹 Remainder Theorem

4.5 Factor Polynomials

📹 Factor by Grouping

📹 Split the Middle Term

📹 Factor the Sum or Difference of Two Cubes

📹 Introduce a New Variable

4.6 Find Roots by Factoring

📹 Real Roots Only

📹 Real and Imaginary Roots

📹 Find Equation from Given Roots

4.7 Root Theorems

📹 Finding Rational Roots

📹 Using Descartes Rule of Signs

4.8 Properties of Polynomial Graphs

📹 End Behaviors and Intercepts

📹 Multiplicity

📹 Turning Points

4.9 Graph Polynomial Functions

📹 Sketch a Graph

📹 Find an Equation Given a Set of Points

4.10 Polynomial Transformations

📹 Polynomial Transformations

4.11 Systems of Polynomial Functions

📹 Solve a System Algebraically

📹 Solve a System Graphically

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