This applet can be used for either for student practice or for demonstration of how a quadratic function is transformed from the general form to the vertex form (also called the completed square form) using the completing the square method.
This applet contrasts with completing the square method for solving quadratic equations!
See https://www.geogebra.org/m/TdgdCJ4N
(updated 22 Sep 2014)
Updated on 16 Oct 2022
Hide the animation button and n_{motion} slider to reduce clutter, added dynamic texts text18, 19 and 20 to improve explanations
