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The equation of a line is shown in the form y=mx+c to prove that two lines run parallel you must prove that they have the same gradient or value of 'm', the number before x. The first equation L1 is alrea...

Definitions: short, sharp key works to gain the marks- especially for the 5 mark definition questions in GPO1/GPO2
Direct Democracy:In a direct democracy people vote...

You have to understand what makes an expression even. Even numbers are formed by either two odd numbers being added together or an even number x an odd number. We can start by looking at the denominator. ...

AQA example responses ask for students to 'demonstrate knowledge of the key features and characteristics of the periods studied (AO1a) [and] Demonstrate understanding of the key features and characteristi...

(draw demand and supply diagram showing a shift to the left of the supply curve and a new equilibrium)
explanation:indirect tax increases the cost to the producer this means they can no longer sell t...