5.6: Critical Points and Extrema - Mathematics LibreTexts
https://math.libretexts.org/Courses/Prince_Georges_Community_College/MAT_2160%3A_Applied_Calculus_I/05%3A_Functions_of_Several_Variables/5.06%3A_Critical_Points_and_Extrema
WebAug 2, 2022 · To check if a critical point is maximum, a minimum, or a saddle point, using only the first derivative, the best method is to look at a graph to determine the kind of critical point. For some applications we want to categorize the critical points symbolically.
DA: 16 PA: 58 MOZ Rank: 36