List questions from quadratics

Published on 25 Mar 2026 - 17:21

36

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Geometry of underdetermined regression loss function in $n$-dimensions

Published on 30 Nov 2023 - 6:55

78

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Why won't factoring lead to the same result as expanding when simplifying $(x+y)^2 - y^2 - x^2 + 2xy$?

Published on 03 Dec 2023 - 10:06

51

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Quadratic Formula: Any Shortcomings?

Published on 03 Dec 2023 - 20:12

51

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cubic equation edge cases

Published on 05 Apr 2026 - 18:05

89

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Help to prove $\frac{a^3b+b^3c+c^3a}{a+b+c}+1\ge 2\sqrt{\frac{a^2b^2+b^2c^2+c^2a^2}{a+b+c}}$.

Published on 25 Mar 2026 - 16:13

126

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$a+b+c−3≥k(a−b)(b−c)(c−a)$

Published on 26 Mar 2026 - 9:39

126

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solutions of two quadratic equations

Published on 10 Dec 2023 - 23:37

338

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Given unimodular matrices $A, B$, solve the matrix equation $T^\top A T = B$

Published on 25 Mar 2026 - 9:48

67

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The intersections of $\sin(x)$, $\cos(x)$, and $x^2$?

Published on 13 Dec 2023 - 15:53

59

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Discriminant and its usage with Trigonometry

Published on 16 Dec 2023 - 17:46

137

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How to find the solution for this equation?

Published on 19 Dec 2023 - 12:50

129

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Minimum number of required function values to maximize a quadratic form

Published on 30 Mar 2026 - 7:06

200

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If $x^2+bx+a=0, x^2+ax+b=0$ do not have distinct real roots then find the maximum value of $\frac{a^2+b^2}{a+b}$ if $a,b\gt0$

Published on 24 Feb 2026 - 0:15

146

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Are there any efficient methods to manually factor a quadratic in two variables?

Published on 30 Mar 2026 - 15:36

List Question

$\frac{1}{9-ab}+\frac{1}{9-bc}+\frac{1}{9-ca} \leq \frac{3}{8}.$

Geometry of underdetermined regression loss function in $n$-dimensions

Why won't factoring lead to the same result as expanding when simplifying $(x+y)^2 - y^2 - x^2 + 2xy$?

Quadratic Formula: Any Shortcomings?

cubic equation edge cases

Help to prove $\frac{a^3b+b^3c+c^3a}{a+b+c}+1\ge 2\sqrt{\frac{a^2b^2+b^2c^2+c^2a^2}{a+b+c}}$.

$a+b+c−3≥k(a−b)(b−c)(c−a)$

solutions of two quadratic equations

Given unimodular matrices $A, B$, solve the matrix equation $T^\top A T = B$

The intersections of $\sin(x)$, $\cos(x)$, and $x^2$?

Discriminant and its usage with Trigonometry

How to find the solution for this equation?

Minimum number of required function values to maximize a quadratic form

If $x^2+bx+a=0, x^2+ax+b=0$ do not have distinct real roots then find the maximum value of $\frac{a^2+b^2}{a+b}$ if $a,b\gt0$

Are there any efficient methods to manually factor a quadratic in two variables?

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