Problem solving analysis of rational inequality based on IDEAL model

Abstract

Abstract This research was conducted using descriptive qualitative method to describe the process of teacher candidates in solving the rational inequality problem. The IDEAL model was used as indicator of this research which tested on 35 students. In the step of identifying and defining the problem’s objective, students have understood the meaning of set of completion was value x which accomplished inequality to the problem. Mostly, students had the same strategy, yet there was difference in grouping rational expression, such as S2 and S3 who did “cross-multiplication” while another detracted two internodes with mathematical expression in the right internode. It turned out that S5 was the only student who found the whole critical points even though made a mistake in writing set of completion. In the step of “looking back”, none of students did the correction whether in calculation or concept even used another strategy to check the answer.