Revision NotesExam QuestionsPast PapersMock Exams
ASMathsCambridge (CIE)Pure 1Revision NotesDifferentiationApplications of DifferentiationConnected Rates of Change

Connected Rates of Change (Cambridge (CIE) AS Maths): Revision Note

Exam code: 9709

Roger B

Author

Roger B

Last updated

Connected Rates of Change

What are connected rates of change?

  • In situations involving more than two variables you can use the chain rule to connect multiple rates of change into a single equation 

Conn Rates of Ch Illustr 1, AS & A Level Maths revision notes

Examiner Tips and Tricks

  • These problems can involve a lot of letters – be sure to keep track of what they all refer to.

  • Be especially sure that you are clear about which letters are variables and which are constants – these behave very differently when differentiation is involved!

Worked Example

Conn Rates of Ch Example, A Level & AS Level Pure Maths Revision Notes
For teachers

Ready to test your students on this topic?

  • Create exam-aligned tests in minutes
  • Differentiate easily with tiered difficulty
  • Trusted for all assessment types
Explore Test Builder
Test Builder in a diagram showing questions being picked from different difficulties and topics, and being downloaded as a shareable format.
Test yourself
Previous:Modelling with Differentiation (Optimisation)Next:Fundamental Theorem of Calculus
Roger B

Author: Roger B

Expertise: Maths Content Creator

Roger's teaching experience stretches all the way back to 1992, and in that time he has taught students at all levels between Year 7 and university undergraduate. Having conducted and published postgraduate research into the mathematical theory behind quantum computing, he is more than confident in dealing with mathematics at any level the exam boards might throw at you.