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Many students ask how they can they find 2 unknowns,given 2 simple equations. I'll try to focus in this answer on giving students a tool which they can use to solve ANY 2 simple equations with one solution.L...

A parametric equation is defined by a variable t such as y = 4t +1 and x = 2t, while general equation is defined sorely by y and x (in 2 dimensional space). As t is the free variable you can simply replace t...

In order to assess whether economics were the most important factor for reform in Russia under Tsar Alexander II, the emancipation of the serfs in 1861 under Tsar Alexander II must be considered. There is co...

The imperfect subjunctive is paired with a conditional in order to show that the conditional could happen, if the imperfect subjunctive were true. Therefore the imperfect subjunctive is used in order to expr...

Essay writing, both in exams and otherwise, can often appear daunting at first. However, by GCSE and A Level, students should hopefully be well practised in the art, and should be comfortable with the basic ...