A quadratic function is a function of the form <math>f(x)=ax^2+bx+c</math>, where a is nonzero.
In the case where the domain and codomain are R (the real numbers), the graph of such a function is a parabola.
... Foundation Museum[?], Cavendish
William Clowes Printing Museum[?], Beccles
West Sussex
Amberley Working Museum, Arundel
Fishbourne Roman Palace
West ...