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There are a few ways of solving these simultaneous equations, but most of them involve substitution. Perhaps the most intuitive substitution to make is the second equation (y=3x+5) into the first one (xy=2),...

The above sample question was taken from the 2018 GCSE Maths Higher paper.First we simplify the numerator, 3x^2 - 8x - 3, which is a quadratic written in the form ax^2 + bx + c so we can simplify it by facto...

Transcription is the first step of protein synthesis and occurs within the nucleus of the cell. Within the cell's nucleus is the DNA. Firstly an enzyme called DNA Helicase 'unzips' the two DNA strands separa...

Assume we have the function: y = x ( x 2 + 8x - 9) This function is known as a cubic function as when multiplying out the brackets, the highest function of x would be x 3 .Note: If the highest order of x was...

Nailing the balance between description and analysis is the key to constructing an A* worthy piece of art historical writing. Though too much description can make your writing dull, a lack of descriptive exp...