Given any cubic or quartic equation with real coefficients, it can be transformed by a change of variable into a standard form, and thus solved by means of a double-sided scale (Fig. 1) in the case of ...

Why not try another solving quadratic equations quiz? The questions in this quiz are suitable for GCSE maths students studying quadratic equations, solving quadratic equations using the quadratic ...

Why not try another solving quadratic equations quiz? The questions in this quiz are suitable for GCSE maths students studying finding roots by factorising, finding the turning point and the line of ...

This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...