Abstract The quadratic function of the part of mathematics that is dynamic. This gives the meaning that drawing graphs of quadratic functions can use a variety of different ways. The purpose of this study is to find out what underlies a person in solving mathematical problems in different ways. Sampling was done by purposive sampling with two respondents who had learned quadratic function material. The study was conducted qualitatively by analyzing the way respondents in the presentation of graphs of quadratic functions. The results showed that the effectiveness of drawing graphs of quadratic functions is influenced by the ability to think creatively. This implies that it is necessary to develop creative thinking skills in the educational environment.