Mathematics GCSE
Undefined gradient
What Undefined gradient means in Mathematics GCSE, as defined for AQA.
Definition of Undefined gradient
Check what you remember
Read the wording for your board, then hide it and explain Undefined gradient in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The gradient of a vertical line is undefined because the horizontal change is zero and division by zero is not defined.
Topics that use Undefined gradient
- Graphs (AQA GCSE)
Related terms
- Area under a graph as an accumulated total
- Asymptote
- Asymptotes
- Asymptotes and domain restrictions
- average rate of change
- Chord
- Circle equation centred at the origin
- Coefficient
Using Undefined gradient in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Mathematics GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge