Corbett Maths
Deriving the Quadratic Formula
Formulas don't appear from thin air! Learn how to derive the quadratic formula by completing the square. As the video instructor demonstrates each step of the derivation, the quadratic formula begins to emerge until it is complete in the...
FuseSchool
Completing the Square—Plotting Quadratics
Where is the turning point? The presentation demonstrates how the process of completing the square finds several points in the graph of a quadratic. One of the most important points found is the vertex of the graph. The video shows where...
Curated OER
How Do You Convert a Quadratic from Standard Form to Vertex Form by Completing the Square if a1?
Starting with a quadratic equation in standard form, the instructor shows you how to rewrite the equation to vertex form. She shows step-by-step how to complete the square.
Curated OER
How was the Quadratic Formula Derived?
If you or your class members are interested in how the quadratic formula is derived, then take a look at this video! The tutorial takes you through each step necessary to derive the quadratic formula from the general form for a quadratic...
Curated OER
How Do You Solve a Quadratic Equation by Completing the Square?
Completing the square is an effective way to solve a quadratic equation. Introduce your class to this technique and use this video to complement your lesson. This resource takes viewers through the process of completing the square,...
Corbett Maths
Completing the Square
Now your lesson will be complete. Scholars first review the process of completing the square to rewrite quadratics in vertex form. The method shown here is to first take half of the coefficient of x and finding the perfect square, then...
FuseSchool
Completing the Square—Quadratics
What happens when factoring fails? Viewers learn how to rewrite quadratics that cannot be factored. They learn to complete the square to write quadratic in vertex form.
FuseSchool
Completing the Square—Part 2
Add another method to your arsenal by solving quadratics using completing the square. Scholars learn to solve quadratic equations that cannot be solved by factoring. The preferred method for this video is completing the square.
Krista King Math
Completing the Square with Complex Roots
Explore completing the square as a process for finding complex roots of quadratic equations with a video lesson that pulls together several concepts related to quadratic equations. The example shows how to complete the square with a...
Krista King Math
Completing the Square
Extend your classes' experience with solving quadratic equations. For equations that are not factorable, an alternative method is necessary. The video lesson shows how to complete the square as a method of solving.
Calculus Expert
Completing the Square of a Quadratic Function
Don't be a square — learn to complete one! The instructor uses the general vertex form of the quadratic function to solve for the constants a, h, and k. Then, pupils can write the function in vertex form. The lesson follows a video on...
Calculus Expert
Sketch the Graph of a Circle
Feel like you're going in circles? The fifteenth lesson in a series of 29 videos gives pupils a resource for writing equations of circles in standard form. Once in standard form, the instructor graphs the circle.
Curated OER
Completing the Square
The instructor discusses how to solve a quadratic equation by completing the square. The verbal explanation is fairly complete, but the writing of the steps is rather vague.
Curated OER
How Do You Solve a Quadratic Equation by Completing the Square?
Completing the square is an effective way to solve a quadratic equation. Introduce your class to this technique and use this video to complement your lesson. This resource takes viewers through the process of completing the square,...
Khan Academy
Khan Academy: Algebra: Completing the Square
Demonstrates how to solve two different quadratic equations by completing the square. Practice problems available. [13:45]
Khan Academy
Khan Academy: Algebra: Completing the Square 1
Demonstrates how to use the completing the square method to identify a constant value for a given trinomial to create a perfect square trinomial. Practice problems available. [3:22]
Khan Academy
Khan Academy: Algebra: Completing Perfect Square Trinomials
Explains how to use the completing the square method to determine what constant value can be added to a given polynomial to create a perfect square trinomial. [3:28]
Khan Academy
Khan Academy: Algebra: Ca Algebra I: Completing the Square
Demonstrates solutions to problems #48-52 of California Algebra I released state test questions. Problems address understanding of solving quadratic equations by factoring and completing the square. Practice problems available. [13:48]
Khan Academy
Khan Academy: Algebra: Quadratic Formula (Proof)
Explains how to derive the quadratic formula by completing the square on the standard form of a quadratic equation. [7:34]
Khan Academy
Khan Academy: Algebra: Proof of Quadratic Formula
Demonstrates how to derive the quadratic formula from the standard form of a quadratic equation by completing the square. This video also appears in the Algebra: ck12.org strand. [7:44]
Khan Academy
Khan Academy: Algebra: Ca Algebra I: Quadratic Equation
Demonstrates solutions to problems #53-57 of California Algebra I released state test questions. Problems address an understanding of solving quadratic equations by completing the square and the quadratic formula. [10:14]
Khan Academy
Khan Academy: Algebra Ii: Quadratics and Shifts
Demonstrates solutions to four problems. Problems address understanding of quadratic equations, ways to solve quadratic equations, and translations of graphs of quadratic equations. Practice problems available. [11:53]
Virtual Nerd
Virtual Nerd: Solving Quadratic Equations by Inspection, Taking Square Roots
Pick from a variety of tutorials to teach how to solve quadratic equations using various methods.
