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Find the x-Coordinate of the minimum point of the function: f(x) = x^2 + 2x - 5

One of the easiest ways to find a minimum/ maximum point is using differentiation. The derivative of the function f(x) is usually written as dy/dx or f'(x) and is essentially a function that tells us the gra...
SM
Answered by Sachin M. • Maths tutor
13970 Views

How do I structure a 6 mark question?

With a 6 mark question the basic structure for an answer is 3 key points with a few lines of evidence and analysis per point. For example: If the question was 'Name 3 key features of the Potsdam Conference o...
HA
Answered by Hugh A. • History tutor
41896 Views

What are hormones and how do they differ from nerve cells (neurons)

Hormones are chemical messengers. They are released from special gland cells and travel in the bloodstream to reach their target organs, where they will have their effect. Whereas nerve cells carry electrica...
ND
Answered by Norviewu D. • Biology tutor
6628 Views

Avoir or être in the perfect tense?

French verbs either take the auxiliary verbs avoir or être when conjugating in the perfect tense (or passé composé). The best way to remember which verbs take which auxiliary is the MRS VANDERTRAMP method - ...
EB
Answered by Emma B. • French tutor
4898 Views

I keep making silly mistakes how do I stop that?

That was always my biggest problem with my GCSE maths, I would get excited when I thought I knew what I was doing then slip up with silly mistakes. One of the best ways I found, after checking over at the en...
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Answered by Charlotte W. • Maths tutor
5062 Views