Search our library of GCSE questions

Top answers

All subjects

GCSE

Solve the following simultaneous equations: y - 2x = 6 and y + 2x = 0

Firstly, label each of our equations: y - 2x = 6 (1) y + 2x = 0 (2)Then we can rearrange (2) to get the following: y = -2x (3)Then, substitute (3) into (1): -2x - 2x = 6Which yields the result: -4x = 6The...

Answered by Ciara C. • Maths tutor

3999 Views

Why/how do plants both respire and photosynthesise?

First of all, respiration is not breathing. Respiration is combining oxygen and glucose to form energy (ATP) with carbon dioxide as a waste product. All living things respire in order to obtain energy to ...

Answered by Mai T. • Biology tutor

3858 Views

Suppose we have a circle with the equation x^2 +y^2 =25. What is the equation to the tangent to the circle at point (4,3)?

Firstly lets draw it out-Draw a line from the origin to the point. calculate the change in y over change in x =(3-0)/(4-0)=3/4Take negative reciprocal which is equal to m. Then do y-y₁=m(x-x

Answered by Nayan M. • Maths tutor

2619 Views

Explain the impacts of rural to Urban migration in an urban area

Rural to urban migration is the process whereby people move form the countryside into cities and urban areas, often due to a range of pull and push factors. The impacts to an urban area can be negative. F...

Answered by Melissa G. • Geography tutor

4285 Views

'Explore the Theme of Fate Within Shakepeare's Romeo and Juliet'

Within Shakespeare’s ‘Romeo and Juliet’, written in 1591, the theme of fate is arguably the catalyst for the defining events in the play, forcing the characters, especially the titular couple to seemingl...

Answered by Millie F. • English Literature tutor

19139 Views