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Solve Quadratic Equations using the Square Root Method




 
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More Lessons for Grade 9

Math Worksheets

Videos, worksheets, solutions, and activities to help Algebra students learn about solving quadratic equations using the square root method.

What is the square root rule?
When a quadratic equation consists of just the square term and a constant, we can solve the equation using the square root rule.
The square root rule states that
If x2 = k then
\(x = \pm \sqrt k \)

How to Solve Quadratic Equations with the Square Root Rule
Quadratic equations by square root method, basics



Solving Basic Quadratic Equations (x2 term only)
This uses the square root method for solving quadratic equations.
How to solve quadratic equations with the square root rule


 

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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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