The functions  y = x 2  and  y = –x 2 Student activity Play

The functions  y = a(x – p)2 Student activity Play

The functions  y = a(x – p)2 + q Student activity Play

The functions  y = ax 2 + q Student activity Play

The functions  y = ax 2 Student activity Play

The graph of a function Student activity Play

The graph of a function Animation Play

The normal Class activity Play

The normal Whiteboard presentation Play

The number of solutions Animation Play

The parabola Whiteboard exercise Play

The parabola Student activity Play

The parabola Animation Play

The parabola Whiteboard exercise Play

The parabola Student activity Play

The parabola in 3-D Animation Play

The quadratic function and its graph Whiteboard exercise Play

The quadratic function with one parameter Whiteboard exercise Play

The quadratic function with one parameter Simulation Play

The quadratic function with one parameter and a constant value Simulation Play

The quadratic function with one parameter and a constant value Whiteboard exercise Play

The shape of the parabola Whiteboard exercise Play

The shape of the parabola Student activity Play

The simplest quadratic functions Whiteboard exercise Play

The simplest quadratic functions Animation Play