SÁNCHEZ ACEVEDO, Nicolás; SEGURA, Carlos; CONTRERAS , Luis Carlos; SOSA GUERRERO, Leticia. Specialized knowledge of the mathematics teacher in the use of examples: Study on the nature of the solutions of the quadratic equation. Cadernos de Educação Tecnologia e Sociedade, [S. l.], v. 17, n. 3, p. 1171–1183, 2024. DOI: 10.14571/brajets.v17.n3.1171-1183. Disponível em: https://brajets.com/brajets/article/view/1626. Acesso em: 14 mar. 2025.