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What are surds and why are they used?

Surds are irrational numbers that can't be represented accurately as a fraction or reccuring decimal, so they are left as a square root. For example: √ 3 . Calculate the square root of 3 using your calculato...
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Answered by Aisling O. • Maths tutor
38033 Views

What's the difference between the verbs SER and ESTAR in Spanish?

Understanding thhe difference between ser and estar can be tricky as in English we do not make the distinctions between the two types of "to be", however, there are some simple ways to help you rem...
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Answered by Irini K. • Spanish tutor
3432 Views

Solve 6x^2 > 3 - 7x

First put everything to one side, 6x 2 + 7x - 3 > 0 Then factorise the LHS, (3x - 1)(2x + 3) > 0 Get two answers for x, x = 1/3 or x = -3/2 Then work out where the values of x will make the equation ab...
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Answered by William J. • Maths tutor
4184 Views

What's the difference between exaggeration and hyperbole?

Exaggeration simply means going over the top. An example is when you are waiting for your friend, and you've been waiting 5 minutes, but you say to him: 'I've been waiting for like half an hour!' Hyperbole m...
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Answered by Ahsan A. • English tutor
76730 Views

What are the differences between the types of plate boundaries?

There's four main types you'll need to know. These are constructive, destructive, collision and conservative - these basically are just different ways that two tectonic plates could interact. Constructive (a...
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Answered by Amelia G. • Geography tutor
53972 Views