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How do you complete the square?

Say you start with a general equation of x 2 +ax+b=0. (If the x 2 has a coefficient the you will need to divide by that first.) You need to move to the equation (x+a/2) 2 -(a/2) 2 +b=0. Then put all of the c...
BC
Answered by Bryony C. • Maths tutor
3371 Views

Consider the case for and against carrying out extensive market research[8].

Market research is the process of collecting, collating, and analyzing data on a market and the consumption of goods and services. Market research can be split into secondary research, which involves using d...
TR
6486 Views

How do you factorise?

Factorising is just simplyfying into brackets. To do this you need to find common terms on all the parts of the question. For example: fully factorise 3a 3 b+12a 2 b 2 +9a 5 b 3 the answer to the is 3a 2 b(a...
EW
Answered by Elizabeth W. • Maths tutor
7584 Views

What are collective responsibility and Individual Ministerial Responsibility? and how are they different?

Collective Responsibility applies to all Ministers and is designed to ensure government unity - all ministers have to follow cabinet decisions. Therefore, if a minister cannot abide by a cabinet decision the...
TD
27551 Views

What is the difference between myosis and mitosis?

Mitosis is cell division of body cells, so is used for growth and repair . In mitosis, 2 genetically identical daughter cells are produced from the parent cell (so are exactly the same as the parent cell). D...
AS
Answered by Abigail S. • Biology tutor
7347 Views