Khan Academy
Khan Academy: Completing Perfect Square Trinomials
Completing Perfect Square Trinomials.
Khan Academy
Khan Academy: The Quadratic Formula: Proof of Quadratic Formula
Demonstrates how to derive the quadratic formula from the standard form of a quadratic equation by completing the square.
Khan Academy
Khan Academy: Quadratic Odds and Ends: Quadratic Equation
This video demonstrate an understanding of solving quadratic equations by completing the square and using the quadratic formula.
Khan Academy
Khan Academy: Completing the Square: Example 2: Completing the Square
Using the completing the square to find the roots of the quadratic equation.
Khan Academy
Khan Academy: Completing the Square: Example 5: Completing the Square
Completing the Square to Solve Quadratic Equations.
Sophia Learning
Sophia: Completing the Square
Students learn how to complete the square to solve quadratic equations. Notes, examples, and a video lesson explore the math concept.
Khan Academy
Khan Academy: Quadratic Odds and Ends: Quadratics and Shifts
Problems address understanding of quadratic equations, ways to solve quadratic equations, and translations of graphs of quadratic equations.
Study Pug
Study Pug: Finding the Quadratic Functions for Given Parabolas
In this lesson, we will learn how to find the quadratic function when we are given the graph of a parabola. Worked examples and a video are included. [8:22]