Final dates! Join the tutor2u subject teams in London for a day of exam technique and revision at the cinema. Learn more


Roots of an equation

The roots of a quadratic equation can be found by factorising, completing the square or using the quadratic formula. The roots are where the graph of the quadratic function touch or cross the x axis.

© 2002-2024 Tutor2u Limited. Company Reg no: 04489574. VAT reg no 816865400.