Equação do 2º Grau Parte VI: Resolução de Exercícios

Synopsis: In this lecture we present the resolution of two exercises whose solution lies in the solution of an equation of the 2nd degree. As in previous classes the first step in solving these exercises is mathematical modeling, ie the translation of the problem into a mathematical language.
Source: Portal of Mathematics.
URL: http://matematica.obmep.org.br/index.php/modulo/ver?modulo=25#