A directory of useful objects found on the web for teaching Maths.

recognise features of the graphs of y=x3y=x3, y=a(x−b)3+cy=a(x-b)3+c and y=k(x−a)(x−b)(x−c),y=kx-ax-bx-c,including shape, intercepts and behaviour as x→∞x→∞ and x→−∞x→-∞