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Firstly, it is important to remember the key terms of the question. It may be helpful to highlight or underline them when reading the question for the first time. You should make sure to focus on all the ...

To form 'le passé composé' (the perfect tense), you need to use an auxiliary verb which is either avoir or être plus the past participle. Avoir is usually used but when the verb is a verb of motion or a r...

A quadratic equation is one that takes the form.. ax² + bx +c = 0

Factorising an equation like this involves putting the equation into two brackets.

The method varies slightly dep...

A mutation will randomly occur in individuals within a species, providing a larger variation in genes. This mutated gene may produce characteristics which are beneficial for the individual in their enviro...

9/3x² - 3y² + x/xy - x² = 9/3(x²-y²) + x/x(y-x) = 3/(x-y)(x+y) + 1/y-x = 3/(x-y)(x+y) - 1/x-y = 3-1(x+y)/(x-y)(x+y) = 3-x-y/(x-y)(x+y)