Question

Finding range of expression $f(x,y)=x^2+y^2$

score 88 · Answer 1 · 2026-03-24 20:38:02

88

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Finding range of expression $f(x,y)=x^2+y^2$

Published on 24 Mar 2026 - 20:38

score 35 · Answer 2 · 2026-03-27 05:39:01

35

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Parabola/Analytic Geometry - $y=kx+5$ intersects for all values of $k$ with parabola $y=x^2+2$

Published on 27 Mar 2026 - 5:39

score 1.2k · Answer 3 · 2018-10-13 07:25:55

1.2k

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Solving A Problem Involving Pythagorean Theorem And Polynomials

Published on 13 Oct 2018 - 7:25

score 4.8k · Answer 4 · 2026-03-26 23:10:46

4.8k

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Condition on $k$ for $x^2+y^2-12x-6y-4=0$ and $x^2+y^2-4x-12y-k=0$ to have simultaneous solutions $(x,y)$

Published on 26 Mar 2026 - 23:10

score 514 · Answer 5 · 2026-03-25 07:52:27

514

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How can I find the real roots of $x^4-x^2+1$?

Published on 25 Mar 2026 - 7:52

score 85 · Answer 6 · 2026-03-26 19:11:53

85

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Show that $ Ax^2 + x + 1 = 0 $ has roots greater than $1$ given $-1<A<0$

Published on 26 Mar 2026 - 19:11

score 49 · Answer 7 · 2026-03-25 11:17:50

49

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How can I solve this quadratic problem?

Published on 25 Mar 2026 - 11:17

score 70 · Answer 8 · 2018-10-14 17:16:34

70

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Clarification on forming a quadratic equation given the roots

Published on 14 Oct 2018 - 17:16

score 58 · Answer 9 · 2018-10-14 23:57:54

58

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$x^2+ax-a=0$ Find the value of parameter $a$, so that one root is $3$ times bigger than the other

Published on 14 Oct 2018 - 23:57

score 178 · Answer 10 · 2026-03-25 20:39:44

178

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INMO 1998 question

Published on 25 Mar 2026 - 20:39

score 5.7k · Answer 11 · 2018-10-15 11:13:12

5.7k

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Find $k$ such that $2x^2 + 5x + k = 0$ has equal roots

Published on 15 Oct 2018 - 11:13

score 78 · Answer 12 · 2026-03-26 16:05:58

78

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Find count of this functions roots:$\sqrt{x+1}-x^2+1=0$

Published on 26 Mar 2026 - 16:05

score 337 · Answer 13 · 2018-10-16 08:15:17

337

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Solve quadratic congruence equation by completing square

Published on 16 Oct 2018 - 8:15

score 78 · Answer 14 · 2018-10-16 09:46:15

78

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proof that quadratic equation has real roots for $p+4\geq0$ (pls help, urgent!!)

Published on 16 Oct 2018 - 9:46

score 414 · Answer 15 · 2018-10-16 10:24:04

414

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What can be said about the roots of $acx^4 + b(a + c)x^3 + (a^2 + b^2 + c^2 )x^2 + b(a + c)x + ac$?

Published on 16 Oct 2018 - 10:24

List Question

Finding range of expression $f(x,y)=x^2+y^2$

Parabola/Analytic Geometry - $y=kx+5$ intersects for all values of $k$ with parabola $y=x^2+2$

Solving A Problem Involving Pythagorean Theorem And Polynomials

Condition on $k$ for $x^2+y^2-12x-6y-4=0$ and $x^2+y^2-4x-12y-k=0$ to have simultaneous solutions $(x,y)$

How can I find the real roots of $x^4-x^2+1$?

Show that $ Ax^2 + x + 1 = 0 $ has roots greater than $1$ given $-1<A<0$

How can I solve this quadratic problem?

Clarification on forming a quadratic equation given the roots

$x^2+ax-a=0$ Find the value of parameter $a$, so that one root is $3$ times bigger than the other

INMO 1998 question

Find $k$ such that $2x^2 + 5x + k = 0$ has equal roots

Find count of this functions roots:$\sqrt{x+1}-x^2+1=0$

Solve quadratic congruence equation by completing square

proof that quadratic equation has real roots for $p+4\geq0$ (pls help, urgent!!)

What can be said about the roots of $acx^4 + b(a + c)x^3 + (a^2 + b^2 + c^2 )x^2 + b(a + c)x + ac$?

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