Carlyle circle
nounEtymology
The idea of using such a circle to solve a quadratic equation is attributed to Thomas Carlyle (1795–1881).
Definitions
A certain circle in a coordinate plane associated with a quadratic equation, having the…
A certain circle in a coordinate plane associated with a quadratic equation, having the property that the solutions of the equation are the horizontal coordinates of the intersections of the circle with the horizontal axis.
- Carlyle circles have been used to develop ruler-and-compass constructions of regular polygons.
The neighborhood
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sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA