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What is the difference between a parametric equation and a general equation?

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...
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Answered by Chen Z. • Maths tutor
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To what extent were economics the primary factor for reform in Russia under Tsar Alexander II?

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...
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Answered by James B. • History tutor
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How do I use the imperfect subjunctive in an 'if' statement.

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...
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Answered by Elliott H. • Spanish tutor
4053 Views

How can I improve my essays?

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 ...
MT
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A particle that moves uniformly in a circular path is accelerating yet moving at a constant speed. Explain this statement.

Acceleration is a change in velocity over time. Velocity is different to speed, because it has a direction (for example a car moving at 10 mph along a road heading north will have a greater velocity due nort...
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Answered by Anna L. • Physics tutor
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