Mathematics GCSE
Exponential growth and decay
What Exponential growth and decay means in Mathematics GCSE, as defined for AQA.
Definition of Exponential growth and decay
Check what you remember
Read the wording for your board, then hide it and explain Exponential growth and decay in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
For y = kˣ with k > 1 the graph rises, and for 0 < k < 1 the graph falls, but both pass through (0, 1) and have the x-axis as a horizontal asymptote.
Topics that use Exponential growth and decay
- 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 Exponential growth and decay in the exam
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