In this paper, we have reviewed and analyzed literature textbooks at the pre-university level, respectively in the high school. In this research, we have examined the way these texts are analyzed (the pedagogical apparatus as it is otherwise called). Such work is done considering the requirements of the latter to fulfill certain competencies…

The author's secondary school mathematics students have often reported to her that quadratic relations are one of the most conceptually challenging aspects of the high school curriculum. From her own classroom experiences there seemed to be several aspects to the students' challenges. Many students, even in their early secondary education, have…