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How do I revise for my Maths GCSE exam?

Firstly, ensure that you have all of the notes from class (or from tutoring sessions) from throughout the year. If you do not have all of the topics that are covered in the exam in your book, then you need t...
NB
Answered by Nathan B. • Maths tutor
4655 Views

Do I have to have done work experience to get a place at medical school?

There are very few things any university will specific you HAVE to actually do, the more important things are showing that you have made an attempt at gaining relevant experience, and even more importantly s...
VP
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NaOH + HCl --> ____ + ___

NaOH + HCl --> NaCl + H2O This is a typical acid-base reaction. The general formula for these reactions are Acid + Base --> Salt + Water. The metal in the base and the non-metal in the acid react to fo...
HR
Answered by Hannah R. • Chemistry tutor
16374 Views

What are stationary points and how do I find them?

If you have a differentiable function, stationary points are, by definition, those points where the derivative of the function is 0. Considering that the derivative of a function represents the rate of incre...
SG
Answered by Stefania G. • Maths tutor
9834 Views

How to differentiate a function?

Let's look at the function y = 3x^2 + 6x + 3. Differentiating it gives us the derivative of y: dy/dx = 6x + 6. The original function has three terms. Let's look at each term: 3x^2 (^2 means to the power of 2...
ES
Answered by Edmunds S. • Maths tutor
8952 Views