Quadratic equations confusion
103921
Why are quadratic equations called quadratics?
3036
Is a polynomial equation of degree $\ge 5$ not solvable by any way?
89859
I have a problem with power equations
153111
factoring a quadratic equation
131941
Solve quadratic congruences.
126445
Proving the second root of a quadratic equation
29263
Can not understand simplification of equation
32760
Is $\mathbf{Q}(\sqrt{2}, \sqrt{3}) = \mathbf{Q}(\sqrt{2}+\sqrt{3})$?
87637
Does it make sense to add a quadratic term but not the linear term to a model?
103165
the number of the positive integer numbers $k$ that makes for the two quadratic equations $ \pm x^2 \pm px \pm k$ rational roots.
73218
How to find centre,vertics,foci,focal radii,letus rectum... when exists of a general quadratic equation in x and y
135178
Finding a quadratic equation from roots (Vieta's formula)
48657
Solving factorial equations
115945
Rotation systems. Problem interpreting an equation
123441
Quadratic congruences problem $(x^2-a)(x^2-b)(x^2-ab)$ ≡ 0 (mod p)
152781
Chain rule for multivariable functions confusion
80549
Why is it called a quadratic if it only contains $x^2$, not $x^4$?