Search over 10,000 free study notes

This is a handy trick for quadratic equations ax^2 + bx + c = 0.

e.g. (x^2 + 5x + 6). So a = 1, b = 5 and c = 6.

To complete the square, let x^2 + 5x + 6 = 0. Then, take 6 to the other side ...

You usually know that a verb is in the second group when it finishes by "-ir". However, some verbs of the third group also end by "-ir". The differentiation is then possible when you l...

There is an easy way of knowing the difference between and when to use which object pronoun! To figure out the direct object of a sentence, simply ask yourself "who?" or "what?". For e...

When dealing with essays under exam conditions, you need to be able to quickly work out what is being asked and what you should include. It is often helpful to go through the question and pick out the key...

The difference between both is that there is one which is the conditional and one is the future. With an 's', it's the conditional which demonstrates a wish, a possible action in the future but we are not...