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How do I write a good essay under timed conditions?

Firstly, practice practice practice! The more essays you practice writing to the time constraints of your exam, the more of an idea you'll have as to how much you should be aiming to write on exam day. You'l...
CB
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Solve x^2 - 7x + 10 = 0

First factorise: (x - 2)(x - 5) = 0 Then either: x - 2 = 0 so x = 2 or x - 5 = 0 so x = 5
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Answered by Aran D. • Maths tutor
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How can I revise for an English exam?

Many people allow English to fall to the bottom of their priority list when revising for exams. Unlike other academic subjects, English is not a sequence of learning facts for a simple question and answer.Bu...
AP
Answered by Alexandra P. • English tutor
3680 Views

Rearranging equations

Quesiton: Solve 10x - 7 = 5x + 3, to find the value of x Answer: x = 0.5 Solution: First you must rearrange the equation so that all the like terms are on the same side: 10x - 5x = 3 +7 5x = 10 Then to find ...
HS
Answered by Hamid S. • Maths tutor
5159 Views

f(x) = (4x + 1)/(x - 2). Find f'(x)

Quotient rule: (vu' - uv')/v^2 u = 4x + 1 u' = 4 v = x - 2 v' = 1 Input into formula: [(x - 2)(4) - (4x + 1)(1)](x - 2)^2 Simplify: [4x - 8 -4x - 1]/(x - 2)^2 = -9/(x - 2)^2
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Answered by Salah S. • Maths tutor
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