Development of teaching materials in the linear program of class XI

The aim of this study is to know the development of educational comic to improve students' understanding in a linear program in High School Class XI. This educational comic can be said valid to improve students' understanding of a linear program in High School grade XI, and students' response to learning by using comic media of education. The type of research used is qualitative research. Subjects in this study are the validation experts and students of class XI in SMA Negeri 8 Cirebon. Based on research conducted, the development of educational comic media has been in accordance with the expected goals. Validation performed by experts has a very valid validity rate with a percentage of 86.7%. Students' response to the following learning using educational comic media equal to 76% with strong criteria. So, the conclusion of this research is educational comic media has been successful in its development because of the valid and strong response of students in learning.