Mathematics A-Level
First-Order
What First-Order means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of First-Order
Check what you remember
Read the wording for your board, then hide it and explain First-Order in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A differential equation that involves only the first derivative ($\frac{dy}{dx}$), and no higher derivatives like $\frac{d^2y}{dx^2}$.
Topics that use First-Order
- Integration (Pearson Edexcel A-Level)
Related terms
- Antiderivative
- Area between curves
- Area under a curve
- Definite integral
- Differential equation
- Factorisation involving a common factor
- Fundamental Theorem of Calculus
- General and particular solutions
Using First-Order 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 A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge