Mathematics A-Level
negative reciprocal
What negative reciprocal means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of negative reciprocal
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Reference: Pearson Edexcel
The number obtained by inverting a non-zero number and changing its sign; for example, the negative reciprocal of 3/2 is −2/3.
Topics that use negative reciprocal
- Coordinate geometry in the (x, y) plane (Pearson Edexcel A-Level)
Related terms
- angle in a semicircle
- Completing the square
- Eliminating the parameter
- gradient
- linear modelling
- Parallel and perpendicular gradients
- Parameter
- perpendicular lines
Using negative reciprocal in the exam
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