Instructional Video6:02
Brian McLogan

Determining the roots of a quadratic equation by factoring when a is not one

12th - Higher Ed
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Instructional Video2:16
Brian McLogan

How to find the roots of an quadratic equation - Free Math Help

12th - Higher Ed
👉 Learn how to solve a quadratic equation by applying the quadratic formula. To apply the quadratic formula the quadratic equation must be equal to zero. Then you can apply the quadratic formula to determine solutions to the equation,...
Instructional Video
Khan Academy

Khan Academy: Algebra: Introduction to the Quadratic Equation

9th - 10th Standards
Explains how to solve quadratic equations, or find the roots of the equation, by factoring and by using the quadratic formula. Three different equations are solved. [9:14]
Instructional Video
Khan Academy

Khan Academy: Algebra: Ca Algebra I: Quadratic Roots

9th - 10th
Demonstrates solutions to problems #58-62 of California Algebra I released state test questions. Problems address an understanding of quadratic equations including identifying zeros from a graph, graphing quadratic equations, determining...
Instructional Video
Khan Academy

Khan Academy: Quadratic Odds and Ends/ Quadratic Roots

9th - 10th Standards
This video shows working with quadratic equations including identifying zeros from a graph, graphing quadratic equations, determining the number of x-intercepts and solving application problems.