Solving Quadratic Equations

Posted February 29, 2012

by Lensyl Urbano

So here we have a little grapher that solves quadratic equations visually. Just enter the coefficients in the equation.

Quadratic Equation:       y = a x2 + b x + c

Enter:                               y = x2 + x +

Your browser does not support the canvas element.


Analytical solution by factoring (with a little help from the quadratic equation if necessary).

Hopefully, this can help students learn about factoring and quadratics in a more graphical way.


This is my first interactive post. I use Javascript in combination with HTML5. Now I need to figure out how to interact with the image itself, instead of the textboxes.

Citing this post: Urbano, L., 2012. Solving Quadratic Equations, Retrieved April 22nd, 2018, from Montessori Muddle: .
Attribution (Curator's Code ): Via: Montessori Muddle; Hat tip: Montessori Muddle.

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