Analisis Kesalahan Siswa dalam Menyelesaikan Soal Persamaan dan Pertidaksamaan Nilai Mutlak Berdasarkan Langkah Penyelesaian Polya

摘要

This research is a qualitative descriptive study that aims to analyze the types of errors and the percentage of errors made by students of grade X MIPA 2 in SMA Negeri 1 Gegesik in solving problems of equality and inequality of absolute values ??based on Polya's completion steps. The method used is the essay test method and the interview method.  The subjects of this study were 36 students of class X MIPA 2 of SMA Negeri 1 Gegesik.  The solution of equality questions and absolute value disputes based on Polya's completion steps consists of four stages, namely understanding the questions, preparing plans, implementing plans, and re-examining the solutions obtained.  The type of error referred to in this study is the type of error based on Polya's completion steps, which is an error in understanding the problem, an error in preparing the plan, an error in implementing the plan, and an error in re-checking the solution obtained. The results of the study showed that there were four types of errors made by students of Class X MIPA 2 of SMA Negeri 1 Gegesik in solving problems of equations and inequality of absolute values ??based on Polya's completion steps, namely errors understanding problems by 38%;  mistakes in making a plan by 14%;  mistakes in implementing the plan by 24%;  and errors re-checking the solution obtained by 24%.