摘要：This study aims to find out computer based teaching materials on quadratic function material for class IX junior high school students that are classified as valid and practical. This research uses Development Research with two stages, namely the preliminary stage and the prototyping stage using formative evaluation flow consisting of self evaluation, expert review, one-to-one, small group, and field test. Data collection techniques used include walkthroughs, questionnaires, interviews, documentation, and tests. The subjects of this study were students of class IX SMP with a total of 30 students. The result of this study are computer-based teaching material on the quadratic function graph classified as valid based one the validation sheet and expert comments while practically based on the student questionnaire.
其他摘要：Tujuan dari penelitian ini adalah untuk menghasilkan bahan ajar berbasis komputer pada materi grafik fungsi kuadrat yang valid dan praktis. Penelitian ini menggunakan metode development research dengan dua tahapan, yaitu tahap preliminary dan tahap prototyping menggunakan alur formative evaluation yang terdiri dari self evaluation, expert review, one-to-one, small group, dan field test. Teknik pengumpulan data yang digunakan meliputi angket, wawancara, dan dokumentasi. Subjek penelitian ini adalah siswa kelas IX SMP berjumlah 30 orang. Hasil penelitian ini adalah bahan ajar berbasis komputer pada materi grafik fungsi kuadrat tergolong valid berdasarkan lembar validasi dan komentar ahli sedangkan praktis berdasarkan angket peserta didik.
关键词：teaching material;quadratic function;development research
其他关键词：bahan ajar;fungsi kuadrat;penelitian pengembangan
