Question

How can I prove that all quadratic equations are not injective?

score 724 · Answer 1 · 2026-04-17 10:47:09

724

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How can I prove that all quadratic equations are not injective?

Published on 17 Apr 2026 - 10:47

score 147 · Answer 2 · 2026-05-05 14:16:59

147

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Why is the graph of a quadratic $y=x^2$ a parabola?

Published on 05 May 2026 - 14:16

score 143 · Answer 3 · 2026-04-13 02:31:26

143

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Is there a method to factor equations with two variables raised to the second power?

Published on 13 Apr 2026 - 2:31

score 37 · Answer 4 · 2026-04-15 18:11:21

37

Views

Prove the following for the given quadratic

Published on 15 Apr 2026 - 18:11

score 73 · Answer 5 · 2026-04-16 19:06:28

73

Views

Roots of $\frac{{2{P^2}}}{x} + \frac{{3{Q^2}}}{{x - 1}} = 6$

Published on 16 Apr 2026 - 19:06

score 314 · Answer 6 · 2026-04-11 05:15:46

314

Views

A method to derive the quadratic formula

Published on 11 Apr 2026 - 5:15

score 171 · Answer 7 · 2026-04-16 02:02:54

171

Views

solve quadratic inequality for all cases

Published on 16 Apr 2026 - 2:02

score 139 · Answer 8 · 2026-04-16 06:56:39

139

Views

A little bit different quadratic Gauss sum

Published on 16 Apr 2026 - 6:56

score 129 · Answer 9 · 2026-04-16 02:26:51

129

Views

Factoring $\frac{n(n+1)}2x^2-x-2$ for $n\in\mathbb Z$

Published on 16 Apr 2026 - 2:26

score 172 · Answer 10 · 2026-04-15 18:14:03

172

Views

Isolating x in a quadratic expression by completing the square

Published on 15 Apr 2026 - 18:14

score 184 · Answer 11 · 2026-04-15 13:04:39

184

Views

Why do the vertices of $f(x) = ax^2 + bx + c$, when fixing $a$ and $c$ but varying $b$, lie on $g(x) = -ax^2 + c$?

Published on 15 Apr 2026 - 13:04

score 80 · Answer 12 · 2026-04-16 06:02:04

80

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Determine the largest interval $]\alpha,+\infty[$ such that $\frac{1}{a}+\frac{1}{b}+\frac{1}{\sqrt{a^2+b^2}}<1$ for every $a,b \in ]\alpha,+\infty[$?

Published on 16 Apr 2026 - 6:02

score 71 · Answer 13 · 2026-04-11 03:03:16

71

Views

Making sense of William Jones's solution of quadratic equations and notation

Published on 11 Apr 2026 - 3:03

score 406 · Answer 14 · 2026-04-12 07:06:22

406

Views

Why does Solving system of quadratic equations gives extra roots?

Published on 12 Apr 2026 - 7:06

score 131 · Answer 15 · 2026-04-13 14:11:55

131

Views

Why is this approach wrong?

Published on 13 Apr 2026 - 14:11

List Question

How can I prove that all quadratic equations are not injective?

Why is the graph of a quadratic $y=x^2$ a parabola?

Is there a method to factor equations with two variables raised to the second power?

Prove the following for the given quadratic

Roots of $\frac{{2{P^2}}}{x} + \frac{{3{Q^2}}}{{x - 1}} = 6$

A method to derive the quadratic formula

solve quadratic inequality for all cases

A little bit different quadratic Gauss sum

Factoring $\frac{n(n+1)}2x^2-x-2$ for $n\in\mathbb Z$

Isolating x in a quadratic expression by completing the square

Why do the vertices of $f(x) = ax^2 + bx + c$, when fixing $a$ and $c$ but varying $b$, lie on $g(x) = -ax^2 + c$?

Determine the largest interval $]\alpha,+\infty[$ such that $\frac{1}{a}+\frac{1}{b}+\frac{1}{\sqrt{a^2+b^2}}<1$ for every $a,b \in ]\alpha,+\infty[$?

Making sense of William Jones's solution of quadratic equations and notation

Why does Solving system of quadratic equations gives extra roots?

Why is this approach wrong?

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