Search over 10,000 free study notes

Recap defintions: factorise essentially means making the equation simpler by finding the common factors. 

This is a simple quadratic because the first term has a coeffecient of 1. therefore we know...

I think it is best to answer this question by looking at some examples  1. Llegué temprano a la cena por hablar a Juan   I arrived early to the dinner due to speaking to Juan 2. Llegué te...

The determinants of demand are the factors that affect the quantity of a product that is demanded (by consumers) at every given price level. The main determinants of demand include: Income level, Consumer...

As most of the time in life, it is good to be balanced and aim for the best from both sides. Nevertheless, it has to be said that in terms of History IB, the examinors will definitely appreciate more the ...

• To help us to see what we need to do in this question, I would always line the equations up one above the other, and label them (1) and (2). Here we'll say that (1) is 3x + 7y =18 and (2) is x+ 2y =...