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Solve Quadratic Equations by Completing the Square: Examples

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More Lessons for Grade 9 Math

Math Worksheets

Videos, worksheets, solutions, and activities to help Algebra and Grade 9 students learn about solving quadratic equations by completing the square.

Completing The Square - Algebra Help
Students learn to solve quadratic equations by completing the square.
Quadratic Equations, Solving by Completing the square
One method, which is usually substituted with other methods, of solving a quadratic equation is by completing the square.

Completing the Square - Solving Quadratic Equations.
This video shows a slightly harder example of completing the square to solve a quadratic equation.
Completing The Square
Completing the square of a quadratic equation where the coefficient of x squared is greater than one

Advanced Completing the Square
Students learn to solve advanced quadratic equations by completing the square. Note that the quadratic equations in this lesson have a coefficient on the squared term, so the first step is to get rid of the coefficient on the squared term by dividing both sides of the equation by this coefficient.

You can use the Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem. Then click "Answer" to check your answer.

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