Recent content by arisachu

Gosh, I had been thinking you solve for y in the second equation without the first equation's x, and then set those two solutions equal to each other and I couldn't for the life of me figure it out! You're a life (and sanity haha) saver! Thank you so much! :smile:

Thanks for you reply and help! :D Ohhh, so it's as simple as that? :O And then I solve for x y from that? :)

Homework Statement I'm supposed to find (and classify, which I'm really not sure what that means) critical points of f(x,y) = x2y- x2 - 2y2 - 2x4 - 3y4 Homework Equations The Attempt at a Solution I found the partial derivatives, fx(x,y) = 2xy - 2x - 8x3 and fy(x,y) = x2 - 4y -...