Search over 10,000 free study notes

With equations, e.g. 4x = 12, the 4x variable has a given value. This means you can apply the same changes to both sides (at the same time). For example, both sides can be divided by 4 to give x=3
H...

After the Cold War, the United States started to be more implicated in the world, notably on a military level. Not only were they more implicated, but this implication was also much more open and public c...

Mitochondria is the power house of the cell, it's a membrane bound organelle which generates energy for cellular activity (e.g. protein production) by generation of ATP through aerobic (requires oxygen) r...

When it comes to solving simultaneous equations the way you structure your working out will really help you get to the correct answer. The layout can be used for all simultaneous equations and will make e...

To solve a cubic equation, you first have to guess at values for x that will solve the equation. Generally, it is good practice to start with 0, then use +/- 1, +/- 2 and so on until you find a value that...