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When we have a quadratic (ax² + bx + c = 0) we can "complete the square" to solve for x. For example x² + 8x + 7 = 0. First look at the x² + 8x, in particular th...

The need to build up a sufficient level of vocabulary and retain it is extremely important when taking on the written and oral componants of the A level exams both when it comes to to comprehension and ex...

The brain is made up of structures alled neurons, which acts processed and sends information through electircal impulses. Because neurons do not touch eachother, hese electrical impulses are sent through ...

Counter-urbanisation is the movement from city to rural area (centrifugal movement). Firstly, it is quieter in suburban/rural areas with less traffic, congestion and higher living standards. This is espec...

Descartes went through three increasingly strong arguments in an attempt to bring doubt to every single thing that he knew. The first is the argument from illusion, in which he suggests that his senses ma...