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Quadratic inequalities: solving x²+bx=c
Author:
GeoGebra Institute of MEI
Topic:
Inequalities
Use the slider to vary b in y=x²+bx. Move the horizontal line y=c by dragging the point on the y-axis. The corresponding graph y=x²+bx-c is shown, which can be used to solve x²+bx=c.
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