maximum, minimums and parabolas
8851
if $(x_0,y_0)$ is local extrema in $ax^2 + by^2 + cxy + dx + ey + l$ then its global too.
71229
Intersection of two parabolae
107333
How to find all the local minima/maxima in a range
58813
Computing $\max_{1/2 \leq x \leq 2} ( \min_{1/3 \leq y \leq 1} f(x,y) )$ where $f(x,y) = x(y \log y - y) - y \log x$.
100900
Finding maxima and minima of $f(x,y)= x^4 + y^4 - 2x^2 - 2y^2 + 4xy$
103744
Minimal $ab$ for Rational Number $a/b$ in an Interval
26010
Parabola in parametric form
48154
Find the minimum value of $f(x,y,z)=\frac{x^2}{(x+y)(x+z)}+\frac{y^2}{(y+z)(y+x)}+\frac{z^2}{(z+x)(z+y)}$.
57785
Finding all maxima and minima of a function
20340
Returning all maximum or minimum values that can be multiple
108518
Parametric Form for a General Parabola
30352
How to calculate Maximum or Minimum of two numbers without using if?
3885
Maximum and minimum of of $f(x)=|x-1|+|x-2|+|x-3|$
144838
How to know whether Lagrange multipliers gives maximum or minimum?
80146
Bar graph with positive min max
32164
Term for minimum or maximum
22294
Maximum and minimum value of $\int_0^1 f(x)dx $ given $|f'(x)|<2$