AS/A2 Pure 2 Pure 3

P1 Topic 2: Algebra
Practise completing the square
Use the interactive display to practise completing the square for quadratic functions. This means that you have to re-write a quadratic function like ax2+bx+c in the form d(x+e)2+f. Press Complete to be given a problem at random. Press the Check button to see if you have done it correctly.

x2 + x +

=  (x+ )2+

Summary Completing the square is one way of finding the vertex of a quadratic curve © MathsNet 2001