Instructional Video4:16
Brian McLogan

How to use completing the square to solve a quadratic equation

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video3:13
Brian McLogan

Solving a quadratic by completing the square | Part 3

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video3:56
Brian McLogan

Solving a quadratic by completing the square

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video3:25
Brian McLogan

How to solve an equation by completing the square

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video4:10
Brian McLogan

Solving a quadratic by completing the square

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video7:32
Brian McLogan

Teacher explains completing the square to solve an equation

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video2:01
Brian McLogan

Find the value that creates a perfect square trinomial

12th - Higher Ed
👉 Learn how to find the value c that completes the square in a quadratic expression. A quadratic expression is an expression whose highest exponent in the variable(s) is 2. It is of the form ax^2 + bx + c where a, b, and c are constants....
Instructional Video3:18
Brian McLogan

Solving a quadratic by completing the square | Part 1

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video4:12
Brian McLogan

Completing the square with fractions to find the vertex

12th - Higher Ed
👉 Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...
Instructional Video3:18
Brian McLogan

Identifying the transformations of a quadratic by completing the square

12th - Higher Ed
👉 Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...
Instructional Video2:46
Brian McLogan

Soft sound solving quadratics by completing the square

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video4:33
Brian McLogan

Solving a quadratic by completing the square

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video2:49
Brian McLogan

Finding the solutions of a quadratic by completing the square

12th - Higher Ed
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video13:39
Brian McLogan

Why Students WE ALL HATE Completing the Square | Part 3

12th - Higher Ed
Students often hate completing the square, it can be confusing or maybe they understand the process but then get tripped up on more difficult examples. In this video we will cover the basics of completing the square
Instructional Video3:03
FuseSchool

Completing The Square - Plotting Quadratics

6th - Higher Ed
Completing The Square - Plotting Quadratics | Algebra | Maths | FuseSchool



Completing the square is another way of solving quadratics (as well as by factorising and by using the quadratic formula). Completing the square will...
Instructional Video3:45
Brian McLogan

Showing how to complete the square

12th - Higher Ed
👉 Learn how to write a quadratic equation from standard form to vertex form by completing the square. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. It is of the form f(x) = ax^2 + bx + c. Given a...
Instructional Video7:00
Professor Dave Explains

Solving Quadratics by Completing the Square

9th - Higher Ed
Solving quadratic equations.
Instructional Video7:34
Khan Academy

Quadratic Formula (Proof)

7th - 11th
This exciting video removes all of the mystery from the quadratic formula. By watching it, learners gain a deeper understanding of the formula and the process of completing the square. Sal shows step-by-step proof of how to get to the...
Instructional Video11:28
Khan Academy

Identifying a Hyperbola From an Equation, Conic Sections, Algebra II

10th - 12th
In this video, Sal shows again how to write an equation of a conic section in standard form and identify the conic section it represents. This time, his example is of a hyperbola (not centered at the origin), which he also graphs.
Instructional Video9:11
1
1
Khan Academy

Identifying an Ellipse From Equation, Conic Sections, Algebra II

10th - 12th
After watching this video, you should be able to write an equation for a conic section in standard form and identify the conic section from its equation. In an example problem, Sal reviews how to complete the square and graph an ellipse...
Instructional Video11:34
Khan Academy

Identifying Circles and Parabolas from Equations, Conic Sections, Algebra II

10th - 12th
This is the last of three well-done videos on identifying and graphing conic sections from an equation. Here, Sal shows how to graph a circle not centered at the origin and a parabola that opens downward.
Instructional Video11:28
Khan Academy

Identifying a Hyperbola from an Equation, Conic Sections, Algebra II

10th - 12th
In this video, Sal shows again how to write an equation of a conic section in standard form and identify the conic section it represents. This time, his example is of a hyperbola (not centered at the origin), which he also graphs.
Instructional Video9:11
Khan Academy

Identifying an Ellipse from Equation, Conic Sections, Algebra II

10th - 12th
After watching this video, you should be able to write an equation of a conic section in standard form and identify the conic section from its equation. In an example problem, Sal reviews how to complete the square and graph an ellipse...
Instructional Video11:34
Khan Academy

Identifying Circles and Parabolas from Equations, Conic Sections, Algebra II

10th - 12th
This is the last of three well-done videos on identifying and graphing conic sections from an equation. Here, Sal graphs a circle that is not centered at the origin and a parabola that opens downward.