What are the critical points of #f(x,y)=x^2+y^2-4x-6y+5 #? Calculus Graphing with the First Derivative Identifying Stationary Points (Critical Points) for a Function 1 Answer Eddie Jun 29, 2016 #(2, 3)# Explanation: #f_x = 2x - 4 qquad star# #f_y = 2y - 6 qquad square# critical points are at #f_x = f_y = 0# from #star# and #square#, that is limited to point #(2, 3)# Answer link Related questions How do you find the stationary points of a curve? How do you find the stationary points of a function? How many stationary points can a cubic function have? How do you find the stationary points of the function #y=x^2+6x+1#? How do you find the stationary points of the function #y=cos(x)#? How do I find all the critical points of #f(x)=(x-1)^2#? Let #h(x) = e^(-x) + kx#, where #k# is any constant. For what value(s) of #k# does #h# have... How do you find the critical points for #f(x)=8x^3+2x^2-5x+3#? How do you find values of k for which there are no critical points if #h(x)=e^(-x)+kx# where k... How do you determine critical points for any polynomial? See all questions in Identifying Stationary Points (Critical Points) for a Function Impact of this question 2586 views around the world You can reuse this answer Creative Commons License