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You are given a sequence of numbers: -2, 12, 32, 58, 90, ... Work out the 7th term in this sequence.

This is a question from Higher Tier and involves 1) realising that 2nd difference is a constant: 6. 2) knowing that constant 2nd difference implies the sequence is quadratic. 3) remembering or proving that c...
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Answered by Maxym V. • Maths tutor
5899 Views

What is covalent bonding?

Covalent bonding is the interaction between two non-metals. The electrons in the outer shells are shared between the atoms involved in the bonding.
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Answered by Arthiha R. • Chemistry tutor
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In what ways were the lives of workers effected by the social policies of the Nazi Party? Explain your answer. (8 marks)

Workers were greatly affected by the Nazis between the years 1933 and 1939. They were affected because the Nazis wanted to keep the workers happy and satisfied so they would not revolt against them, because ...
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Answered by Shannara S. • History tutor
5727 Views

Factorise x^2 + 5x + 6

We are trying to get to the form of x 2 + 5x + 6 = ( x + a)(x + b)6 must also factorise as 6x1 or 3x2 Let's focus first on the x terms : 5x is the sum of ax + dbx and the coefficient of these two must be fac...
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Answered by Maëlle G. • Maths tutor
4465 Views

Translate the following sentence:

Recently I went into town in order to do some shopping. I also saw a lot of graffiti and litter. I think that it is awful because the environment is very important. There were also a lot of homeless people i...
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Answered by Steeve M. • French tutor
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