Abstract :
The purpose of this research is to determine whether or not the effect of learning interest of mathematic learning achievement of grade VII students of SMP Negeri 20 Kupang, to know the effect of habit of study of mathematic learning
achievement of grade VII students SMP 20 Negeri Kupang.
The type of this research is used quantitative research and statistical analysis that used multiple regression analysis. Data analysis is using SPSS 22,00 for windows, and manual analysis as control. Depend on the result of output SPSS 22,00 for windows, normality test, linearity, and multicolinearity, studying interest and habit of studying have effect for mathematic learning achievement. On the multiple regression analysis, studying interest and habit of study have effect for mathematic learning achievement, and the result of regression equality Y = 17,440 + and the value of F count = 10,326 > 3,47 = F table, then rejected H 0, it means there is effect between studying interest and habit of studying for mathematic learning achievement of grade VII of SMP Negeri 20 Kupang. Depend on the result from output SPSS 22,00 for windows, F test interest studying and habit of study have effect for mathematic learning achievement and t test, interest studying and habit of study have effect for
mathematic learning achievement.