Welcome to Engaging Algebra

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Videos for Quadratic Functions

4.3 Quadratic Functions in Vertex Form 

These videos go through a number of worked examples for graphing a quadratic function written in vertex form.

Video 1
Video 2


4.5 Quadratic Functions in Standard Form

These videos go through a number of worked examples for graphing a quadratic function written in standard form.

Video 1
Video 2


4.8 Using Completing the Square to Rewrite Quadratic Functions

These videos go through the process of rewriting a quadratic function from standard form into vertex form using completing the square.

When a is 1
When a isn't 1