Learn how to calculate the equation of a line from a graph, work out the gradient from an equation, and visualise intercepts with this step-by step guide.

How does the GCSE maths exam work? The Edexcel GCSE maths exam is spread over three separate papers - each part is worth 80 marks and has a 33.3 per cent weighting.

You can unsubscribe at any time. Could you pass a GCSE exam today? You probably think you can, but to take guessing out of the equation, we've put together a quick quiz so that you can see for ...

Question 4 - A bag contains only red, green and yellow counters. The number of green counters is 15 more than the number of red counters. The number of yellow counters is four more than the number of ...