Top answers

How can I improve my mathematics

Well, you need to have a clear mind and know well the pattern that they will gonna ask. Then all you have to do is make sure you understand all the skills that you required to need.
JC
Answered by Joseph C. • Maths tutor
4554 Views

How do I solve equations with modulus functions on both sides?

Whilst it is possible to do it algebraically, it's usually easier to solve it graphically. For example: for which values of x is |x+2| = |3x-6|. By sketching the graphs of y=|x+2| and y=|3x-6|, it is easy to...
SG
Answered by Seb G. • Maths tutor
23642 Views

I did all the past papers but I still only achieved a C grade, what am I doing wrong?

Doing the Past Papers only gives you a general idea of what types of questions will come up in your exam. Every exam will be different and will have those particular questions which require knowledge of mult...
HC
Answered by Hao-Yuan C. • Maths tutor
8125 Views

A girl saves money over 200 weeks. She saves 5p in Week 1, 7p in Week 2, 9p in Week 3, and so on until Week 200. Her weekly savings form an arithmetic sequence. Find the amount she saves in Week 200. Calculate total savings over the 200 week period.

In part (a) the majority obtained 403 and some wrote their answer as £4.03, there was the usual crop of arithmetic errors with 2 ×199 = 298 or 498 being quite common. In part (b) the sum formula was usually ...
SS
Answered by Selena S. • Maths tutor
9179 Views

What is the method used for differentiation?

There are a range of methods commonly used for differentation, but my favoured method is as follows:E.g. Differentiate 3x^21) Separate into three separate parts - the Coefficient (the number at the front, in...
EH
Answered by Evelyn H. • Maths tutor
5952 Views