Flipped Math
Solve Quadratic Equations Using Square Roots
Not having an x term makes things so much easier. The second of five installments in Algebra I Unit 11 focuses on solving quadratic equations by taking square roots. Scholars learn to solve equations of the form ax^2 + c = d by watching...
Corbett Maths
Quadratic Inequalities
Develop a sketchy approach to solving quadratic inequalities! Using a sketch of a graph, the presenter shows a way to solve quadratic inequalities. Pupils then practice that method to solve their own quadratic inequalities and apply the...
Corbett Maths
Solving Quadratics Graphically – Advanced
Use an understanding of equality to find solutions of quadratics graphically. A well-designed lesson illustrates the relationship between the right and left sides of an equation graphically. With one side quadratic and the other side...
Corbett Maths
Solving Quadratics Graphically
One of the many methods of solving quadratic equations is graphing. A video lesson first demonstrates graphing a quadratic function using an input-output table. After graphing the parabola, the instructor makes the connection between the...
Corbett Maths
Quadratic Formula
When all else fails, use the quadratic formula! A video lesson introduces the quadratic formula to scholars and then demonstrates two problems. One problem results in integer solutions, the other in irrational solutions.
Corbett Maths
Solving Quadratics by Factorising
Factoring is a quadratic equation's best friend! If a quadratic equation factors, finding the solutions is quick and easy. A complete lesson on factoring describes the steps to factor and solve quadratic equations. The equations have...
Mathed Up!
Algebra: Substitution
The sixteen problems in this resource present opportunities for pupils to practice substituting into algebraic expressions. Scholars evaluate algebraic expressions for given values of the variables. In a few cases, class members need to...
Krista King Math
Zero Theorem
Develop a strategy for solving quadratic equations. Pupils learn to factor quadratic equations and then apply the Zero Theorem. The instructor explains the Zero Theorem in detail.
Educreations
Using the Zero Product Property to Solve Quadratic Functions
The last step of solving a quadratic factoring problem is often the stumbling block for algebra learners. Setting each factor equal to zero and solving the mini-equations isn't an intuitive process to learners new to the zero...
Curated OER
What's the Zero Product Property?
It's hard to just give a verbal explanation of the zero product property in a way that would be understandable. So it would be best to just watch this video and see the teacher write it out on the whiteboard and explain things as she goes.
Curated OER
How Do You Use the Zero Product Property to Find Solutions to an Equation?
Provide this video for your class to help with understanding of how to use the zero product property to find solutions to an equation. Before viewing, learners will need to have a basic understanding of the zero product property since...
Curated OER
How Do You Use the Zero Product Property to Find Solutions to an Equation?
Provide this video for your class to help with understanding of how to use the zero product property to find solutions to an equation. Before viewing, learners will need to have a basic understanding of the zero product property since...
Curated OER
How Do You Divide Two Rational Expressions?
An instructor walks viewers through a complicated problem in which she divides 2 rational expressions. For this problem, she has to find excluded values, use the zero product property, multiply, divide, cancel, and simplify. This video...
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—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.
Curated OER
How Do You Solve a Quadratic Equation by Factoring?
Factor the given quadratic equation by using the guess and check method. Then use the zero product property to find the solutions to the quadratic equation. Don't forget to check both of the answers.
Khan Academy
Khan Academy: Algebra: Complex Numbers: Complex Roots From the Quadratic Formula
Video shows how to use the quadratic formula to find roots of a quadratic equation in a situation where the roots are complex. Includes showing how to verify the answers are correct solutions of the quadratic. [10:15]
Khan Academy
Khan Academy: Algebra: Solving Quadratic Equations by Square Roots
Video shows how to solve a quadratics in a certain form by isolating the squared term and taking the square root of both sides. Examples help lead into solving quadratics by completing the square. [11:03]
Khan Academy
Khan Academy: Algebra: Completing the Square
Students learn how to solve quadratics by completing the square. The video tutorial investigates the mathematics concept through detailed notes and examples.
Khan Academy
Khan Academy: Solving and Graphing Quadratics: Roots and Vertex of a Parabola
Video graphing a parabola by plotting the roots, vertex and axis of symmetry.
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.
Sophia Learning
Sophia: Figuring Out the Discriminant
Students learn how to determine the discriminant and use it to find the real solutions to a quadratic equation. Videos and graphs are included in the resource.