Practice how to recognise and determine the equation of a quadratic function from its graph ahead of your National 5 Maths exam with this interactive maths quiz. The equation of a a quadratic ...

y\) is less than (<) 2, which means an open circle at 2 must be used. \(y\) is less than 2, so an arrow below the values of 2 must be drawn in. There is a closed circle at -5 with the line showing ...