According to Jean Piaget, children

Options

A. Introduction of linear equation and learning techniques of solving it are assimilation and extending the concept to pair of linear equations may raise problem of accommodation
B. introduction of pair of linear equations and techniques of solving it are assimilation, and connecting it to basics of linear equation is accommodation.
C. exposure to linear equation, techniques of solving it and pair of linear equations are assimilation
D. learning the concept of linear equation, pair of linear equations and quadratic equations is problem of accommodation

Answer

A