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Image: Graphical calculation of root of quadratic equation

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Graphical_calculation_of_root_of_quadratic_equation.png ‎(400 × 250 pixels, file size: 9 KB, MIME type: image/png)

Description: Screenshot of a TI-89 calculator graphical computation of one of the two roots of the quadratic equation 2x2 + 4x − 4 = 0. Although the display shows only five significant figures of accuracy, the retrieved value of xc is 0.732050807569, accurate to twelve significant figures. Will be used in Quadratic equation
Title: Graphical calculation of root of quadratic equation
Credit: Original publication: Wikipedia Immediate source: Screenshot taken from a TI-89 calculator
Author: Image was created by me using proprietary Texas Instruments hardware/software. I have no copyright claims whatsoever, but Texas Instruments undoubtedly does.
Usage Terms: Fair use of copyrighted material in the context of Quadratic equation
License: Fair use
License Link: //en.wikipedia.org/wiki/File:Graphical_calculation_of_root_of_quadratic_equation.png

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