Mathematics GCSE
Undefined expression
What Undefined expression means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of Undefined expression
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Reference: Pearson Edexcel
An expression with no assigned value under the number system and rules being used; in this topic, $0^{-1}$ is undefined because it requires division by zero.
Topics that use Undefined expression
- Number - Structure and calculation (Pearson Edexcel GCSE)
Related terms
- Base
- cancelling common factors
- Circumference
- Counting without replacement
- denominator
- equivalent fractions
- Error interval
- estimating roots
Using Undefined expression in the exam
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