Top answers

How do I factorise a quadratic equation?

To factorise an equation is to put it into (usually two) brackets in the form (x+a)(x+b), where a and b are integers, which multiply out to make the original equation. So whenever you see the word factorise,...
JH
Answered by Juliette H. • Maths tutor
3927 Views

How should I explain the effects that a passage has on its reader?

It's often much easier to work out what a passage makes you feel than how it has that effect on you, it's reader. An easy structure to remember to help you with this is P-E-E (Point-Example-Explain). First o...
MM
Answered by Moorea M. • English tutor
18589 Views

What is the domain and what is the range

The domain is a set of all possible values for variables that are input in to a function. The range of a funciton is a set of values that may be the output of a funciton. For one to one functions, the invers...
TH
Answered by Tom H. • Maths tutor
13344 Views

What is a limit

a limit is concerned with how a funciton behaves very close to a certain point. it is written simply as limf(x) = A, x>a this means as x approaches a, f(x) equals A
TH
Answered by Tom H. • Maths tutor
3920 Views

How does the exchange rate mechanism affect aggregate demand in the UK?

The exchange rate is defined as the value of one currency against another. Aggregate demand (AD) comprises of consumption, government spending, investment and exports minus imports. A fall in the value of a ...
TH
Answered by Tom H. • Economics tutor
28112 Views