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there are a few main ways to solve simultaneous equations: find an equal like term. In this case y and add or subtract the two equations together to isolate one of x or y. Another way of solving simultaneous...

Listening exams are one of the most difficult components of the French GCSE, but also one of the most important as they test both your understanding and vocabulary. Many students often find it difficult to p...

This question can be difficult to see where to start, but can be quite easily solved once you realise what you have to do Firstly, let ax 2 + bx + c =0. If this is also true, a=1, b= -3, and c=2. Firstly, fi...

1. Fertilisers are washed into waterways by rain or irrigation. 2. The increased availability of nutrients causes aquatic plant life to grow rapidly. 3. An algal bloom occurs, obscuring light from the plants...

Speed and velocity may seem like identical measures but this is not the case. Speed is a scalar measurement meaning it only takes into account magnitude not direction, velocity is a vector quantity and there...