Search over 10,000 free study notes

Firstly, you can only complete the square on quadratic functions (functions in the form Ax 2 +Bx+C) If A=1, C onsider B, the coefficient of x. Substitute it into ( x + (B/2) ) 2 . We know if we multiply this...

The most important part of any English essay is the planning: you need to make sure that you know what you are writing about before you start. With a poetry comparison essay, you will usually be looking for ...

This rule might seem tricky at first. However, it is actually quite easy to follow after a bit of practice. Generally speaking, avoir is the main verb used to form the past tense. This is really similar to e...

One factor that affects the demand for a resource is the cost of it. For example, the price of petrol reduces the demand for it and people will find an alternative an cheaper way of communting instead. Anoth...

One example of an atmospheric system is an anticyclone. This is a high pressure system where the air sinks causing it to warm up. As a result no air can rise so winds are light, thus no clouds are formed lea...