Jeff Nelson

Parallel and Perpendicular Lines

Using Trig Identities

Using Sum and Difference Identities for Sine and Cosine

Zero Product Property and Solving by Factoring

Graphing Systems of Linear Inequalities

Graphing Transformations of Parent Functions

Parametric Equations: Finding Rectangular Coordinates Given Polar Equations

Arithmetic Series

Angles formed by two chords in a circle

Central Angles and Inscribed Angles

Graphing Linear Inequalities

Solving Word Problems Using Systems of Equations

Solving Systems of Equations by Substitution

Inclusive and Mutually Exclusive

Permutations vs Combinations

Sigma Notation

Solving Absolute Value Equations

Parallel and Perpendicular Lines

Spatial Relationships (6.2)

Solving Absolute Value Inequalities

Trig Identities Proofs Video #3

Writing Equations of Lines Given Slope and a Point

Trig Identities Proofs #4 Video

Solving Quadratics Using Square Root Property

Solving Systems of Equations by Elimination

And vs Or in Probability

Solving Quadratic Equations by Graphing with Desmos

Solving Systems of Equations with 3 Equations and 3 Unknowns

Solving Systems of Equations by Graphing Using Desmos

Deriving Tangent Sum and Difference Identities

Solving Trigonometric Equations