Learn how to use completing the square to solve quadratic equations. This video breaks down the steps using two examples.

Master completing the square even when your middle term is an odd number. This tutorial breaks down the step-by-step process ...

Five graded worksheets on the quadratic formula for GCSE Higher, with full mark schemes. From substitution and surd-form answers through to the discriminant. How the series builds: The formula: ...

I can't memorize the quadratic formula. No matter how many times I memorize it, when it comes to a test, I get confused and think, 'Wait, was the denominator 2a?' I often encounter this situation when ...

Five graded worksheets on completing the square for GCSE Higher, with full mark schemes. From the basic form through to solving, turning points and reasoning. How the series builds: Expressing in the ...