Speed. Meanings expressed by college students from graphical representation.
DOI:
https://doi.org/10.35763/aiem.v0i9.112Keywords:
Function, Speed, Interpretations, Errors, MeaningAbstract
In the context of a Calculus levellingcourse for students beginning the Degree of Economics, we proposed tasks of interpretation and construction of functional graphs,in order to determine how they understand the linear relationship established among speed, distance and time. By means of a content analysis, we detect confusions and errors already referred in previous research, as well as we identify meanings that students attribute to each variable. Although students express their knowledge of algebraic relationship of these variables, we observe several interpretationsthat suggest the meanings assigned to speed is incomplete
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