2 we have: (0) × (5) = 0. If \({x ... these would be incredibly difficult to factorise so the quadratic formula is used. Key fact When solving quadratics in exams it is common for the ...

Look at the National 4 factorising section before continuing. When a question asks you to 'solve' a quadratic equation, this means that you are to find the roots of the quadratic. In other words ...

At first glance, the equation seemingly shows a pattern, one that is not easily cracked. Can you solve the simple math riddle? 11 x 11 = 4 30 x 20 = 5 15 x 10 = 7 24 x 13 = ? The key to solving ...