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Factorising and Expanding brackets

How to FACTORISE an equation:
To avoid confusion; x = xx = multiplicationTake the example; 3x +18
In order to factorise we need to find a common factor for both '3x' and '18' and this number wi...

Answered by Josie B. • Maths tutor

7030 Views

How do I find the maximum/minimum of a function?

Suppose y is a function of x: y = f(x) At the maximum/minimum of the curve y, the first derivative of the function (with respect to x) is equal to zero:dy/dx = 0To check ...

Answered by Josh D. • Maths tutor

24476 Views

What is the ablative case used for and how is it translated?

The ablative case is used in several instances. A noun in the ablative case can usually be translated with the meanings 'by', 'from', or 'with'.Cer...

Answered by Lara B. • Latin tutor

21978 Views

The two blocs of the Cold War

The Cold War (1947/1991) is known as the "ideological" war between the Western Block (lead by the USA) and the Eastern Block (lead by USSR). USA and its a...

Answered by Claire A. • History tutor

12629 Views

What are positive and negative feedback loops?

Feedback loops are a series of events which are triggered by an initial change.
Positive feedback loops are feedback loops which amplify the initial change and lead to a repetition ...

Answered by Matthew F. • Geography tutor

46596 Views