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If you look at a set of x,y-axes, and imagine any curve going through both axes (you don't have to be able to imagine what this graph of f looks like just yet). Now imagine the part of the graph that cros...

x+y=2 (1) x²+2y=12 (2) As we are dealing with x² we’re going to have to use substitution to solve this set of simultaneous equations. From the first equation, we can rearrange to mak...

The most important thing for these questions is a clear and relevant application of what you know, what basically adds up to being a clear structure and clear line of argument. What do you mean by "e...

Translation of the passage from the question above: "My name is Xiao Ming, I go to class every Friday at 10 o'clock in the morning. I have English, History, then my favourite subject: Maths. A lot of...

Endogenous factors originate internally, this includes the topography of an area such as the relief of the land. They also include economic and demographic factors such as extent of development of an area...