Using the quadratic formula is another method of solving quadratic equations that will not factorise. You will need to learn this formula, as well as understanding how to use it. Key fact The ...

The quadratic formula can be used to solve quadratic equations that will not factorise. You will need to learn this formula, as well as understanding how to use it. Key fact The quadratic formula ...

a geometric shape that forms through the intersection of a plane and a right circular cone. The standard equation for a parabola is: You may recognize this as a quadratic function; a parabola is a ...