Completing the square is a technique for factoring quadratics. This article reviews the technique with examples and even lets you practice the technique yourself.

We can use the strategy of completing the square to solve quadratic equations. If the solutions are integers, we can solve by factoring as well. Created by Sal Khan.

When completing the square, the number we add to both sides OR add and subtract on one side is: take the coefficient of x, then half then square it. This is so that it completes the perfect …

This challenge question gives us a shortcut to completing the square, for those that like shortcuts and don't mind memorizing things. It shows us that in order to complete x 2 + b x into a perfect …

Sal solves the equation 4x^2+40x-300=0 by completing the square. Created by Sal Khan and Monterey Institute for Technology and Education.

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Unit 1 Solving equations & inequalities Unit 2 Analyzing linear functions Unit 3 Forms of linear functions, scatter plots, & lines of fit Unit 4 Systems of equations

We've seen and explored linear functions, and now we're ready for quadratic functions. Let's investigate how we can use roots and radicals to solve them. **Unit guides are here!** Power …

Unit 5: Quadratic functions and equations Unit mastery: 0% Solving quadratics by taking the square root Vertex form Solving quadratics by factoring The quadratic formula Completing the …

This challenge question gives us a shortcut to completing the square, for those that like shortcuts and don't mind memorizing things. It shows us that in order to complete x 2 + b x into a perfect …