Analytical geometry in Spain during the nineteenth century: a study of the negative solutions of an equation
Abstract
This article shows the study and interpretation of the negative solutions of a geometric problem found in the textbooks of Analytical Geometry used in Spain during the nineteenth century. Through the content analysis of eleven books, we have identified three interpretations of negative solutions: they indicate a change of position; they point out an error in the hypotheses of the problem or a possible modification of the formulation that implies a more general problem, or the existence of an inverse quantity.Keywords
negative numbers, analytical geometry, mathematics in Spain, history of education, mathematics educationPublished
02-11-2017
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Copyright (c) 2017 Isabel M. Sánchez Sierra, M. Teresa González Astudillo
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