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A function is a notion somewhat abstract to the non-experienced reader, but can be explained as follows:

You have a domain - that is a set, e.g. the set of all yellow birds. You also have...

In simple terms a log is asking what power do I need to raise the base to to get that answer.For example log₂32.In this case the "base" is 2.So what power do you have to raise 2 to, t...

Practical applications of calculus occur more often than you would think. The most common example of them being applied to real world problems is through the relationship between distance and time. The...

A quadratic equation is an equation that looks like:

x² + 4x - 2 = 0.

The general form of this is written as ax² + bx + c = 0, where a, b and c are all...

For example: 5x +25

In order to factorise we need to find a common factor for both '5x' and '25'. This factor gets taken outside of the brackets.

For this example the common ...