Search our library of A Level questions

Top answers

All subjects

A Level

Explain price elasticity of demand and how firms can exploit this.

Price elasticity of demand (PED) is defined as % change in quantity demanded / % change in price. This is also the slope of the demand curve. If PED is less than 1, we say that the demand for the good is ...

Answered by Tutor278061 D. • Economics tutor

2961 Views

How do I write a strong introduction?

The introduction is often seen as an annoying hurdle, but it is crucial in giving the marker a strong first impression. Writing an unclear intro that considers a few possible arguments or approaches but d...

Answered by Joel G. • English Literature tutor

3527 Views

The gradient of the curve at point (x,y) is given by dy/dx = [7 sqrt(x^5)] -4. where x>0. Find the equation of the curve given that the curve passes through the point 1,3.

I like this question because it can be broken down into parts, each which contain an important reminder/lesson for an A level/GCE maths student. I would start the lesson by running through the rules of in...

Answered by Michael S. • Maths tutor

4573 Views

Evaluate the 'First-Past-the-Post' Electoral voting system

FPTP is an electoral system used most notably in the UK General Election and the Indian Parliamentary Elections. Under this system the party with the most votes in each constituency/region wins tha...

Answered by Angus C. • Politics tutor

7213 Views

describe the structure of graphite

giant covalent structureintralayer forceseach C atom joins to 3 other Cs by covalent bondsinterlayer forcesatoms form layers with a hexagonal arrangement between atomsweak interlayer forces

Answered by Wesley Q. • Chemistry tutor

1794 Views