List questions from quadratics

Published on 14 Apr 2026 - 14:26

52

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Determining the number of roots

Published on 15 Apr 2026 - 3:33

1.4k

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Find the roots of quadratic polynomial given one root of another quadratic polynomial?

Published on 13 Apr 2026 - 3:20

147

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Finding integers satisfying an equation.

Published on 09 Apr 2026 - 22:29

3.5k

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Proving that $\cos\frac{2\pi}{13}+\cos\frac{6\pi}{13}+\cos\frac{8\pi}{13}=\frac{\sqrt{13}-1}{4}$

Published on 14 Apr 2026 - 22:04

232

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What is the range of $f :R → R$, and $f(x) = x^2 + 6x − 8$

Published on 29 Mar 2016 - 5:29

107

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Roots of a quadratic equation

Published on 10 Apr 2026 - 0:16

79

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Simply factoring a quadratic equation

Published on 09 Apr 2026 - 3:12

38

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Invertability of quadratic function

Published on 30 Mar 2016 - 21:43

124

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How to determine the number of free variables in a nonlinear system?

Published on 13 Apr 2026 - 15:32

1.5k

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Solving the following trigonometric equation: $\sin x + \cos x = \frac{1}{3} $

Published on 15 Apr 2026 - 12:21

223

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Is there a number besides $\phi$ that either squared or added one gives the same answer?

Published on 26 Mar 2026 - 21:35

150

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Find $a^{100}+b^{100}+ab$

Published on 09 Apr 2026 - 17:15

1.7k

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Why does the width of the graph of a parabola depend only on $a$, not $b$?

Published on 15 Apr 2026 - 10:53

41

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Find $f(\mathbb D)$

Published on 02 Apr 2016 - 9:04

List Question

Taylor's formula and its quadratic term

Determining the number of roots

Find the roots of quadratic polynomial given one root of another quadratic polynomial?

Finding integers satisfying an equation.

Proving that $\cos\frac{2\pi}{13}+\cos\frac{6\pi}{13}+\cos\frac{8\pi}{13}=\frac{\sqrt{13}-1}{4}$

What is the range of $f :R → R$, and $f(x) = x^2 + 6x − 8$

Roots of a quadratic equation

Simply factoring a quadratic equation

Invertability of quadratic function

How to determine the number of free variables in a nonlinear system?

Solving the following trigonometric equation: $\sin x + \cos x = \frac{1}{3} $

Is there a number besides $\phi$ that either squared or added one gives the same answer?

Find $a^{100}+b^{100}+ab$

Why does the width of the graph of a parabola depend only on $a$, not $b$?

Find $f(\mathbb D)$

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