Question

How many integral values of $k$ such that $2x^3+3x^2+6x+k=0$ has exactly three real roots

score 1.4k · Answer 1 · 2018-07-05 11:22:43

1.4k

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How many integral values of $k$ such that $2x^3+3x^2+6x+k=0$ has exactly three real roots

Published on 05 Jul 2018 - 11:22

score 261 · Answer 2 · 2026-03-26 10:56:25

261

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Rectilinear generatrices parallel to a given plane

Published on 26 Mar 2026 - 10:56

score 1k · Answer 3 · 2026-03-25 17:52:08

1k

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Let $a$ and $b$ be real numbers such that $a>b , 2^a +2^b=75$ and $2^{-a} + 2^{-b} =1/12$ , find the value of $2^{a-b+2}$

Published on 25 Mar 2026 - 17:52

score 1.2k · Answer 4 · 2018-07-06 04:05:27

1.2k

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If the minimum and the maximum values of $y = (x^2-3x+c)/(x^2+3x+c)$

Published on 06 Jul 2018 - 4:05

score 1k · Answer 5 · 2018-07-06 04:37:33

1k

Views

Find the values of the parameter $a$ not equal to zero for which

Published on 06 Jul 2018 - 4:37

score 149 · Answer 6 · 2018-07-06 10:01:15

149

Views

Range of $(a_{1}-a_{2})^2+(a_{2}-a_{3})^2+(a_{3}-a_{4})^2+(a_{4}-a_{1})^2$ is

Published on 06 Jul 2018 - 10:01

score 219 · Answer 7 · 2018-07-06 14:49:24

219

Views

Calculus tangent line

Published on 06 Jul 2018 - 14:49

score 29 · Answer 8 · 2018-07-07 21:06:19

29

Views

Conditions for an inequation to hold

Published on 07 Jul 2018 - 21:06

score 70 · Answer 9 · 2018-07-08 13:12:39

In this proof ( simplified version of Vieta's Theorem), do they use intercept form to prove it or am I just confused?

score 4k · Answer 10 · 2018-07-09 18:39:46

4k

Views

Find all values of $k$ for $kx^2+(k+2)x-3=0$ with positive roots.

Published on 09 Jul 2018 - 18:39

score 508 · Answer 11 · 2026-03-26 08:02:41

508

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How do I find the number of integer solutions ($x,y$) that satisfy the equation $y = 3x^2 + 7xy + 4y^2$?

Published on 26 Mar 2026 - 8:02

score 53 · Answer 12 · 2018-07-09 19:50:07

53

Views

How does this equation yield into the following

Published on 09 Jul 2018 - 19:50

score 150 · Answer 13 · 2026-03-25 03:03:45

150

Views

Set of primes $p$ for which $x^3-4x-1$ factors completely over $GF(p)$

Published on 25 Mar 2026 - 3:03

score 1.1k · Answer 14 · 2018-07-10 03:01:35

1.1k

Views

Solve this quadratic function $h = -0.0625t^2 + 3t - 20$

Published on 10 Jul 2018 - 3:01

score 501 · Answer 15 · 2018-07-10 11:55:38

501

Views

Quadratic Equations in two-variables.

Published on 10 Jul 2018 - 11:55

List Question

How many integral values of $k$ such that $2x^3+3x^2+6x+k=0$ has exactly three real roots

Rectilinear generatrices parallel to a given plane

Let $a$ and $b$ be real numbers such that $a>b , 2^a +2^b=75$ and $2^{-a} + 2^{-b} =1/12$ , find the value of $2^{a-b+2}$

If the minimum and the maximum values of $y = (x^2-3x+c)/(x^2+3x+c)$

Find the values of the parameter $a$ not equal to zero for which

Range of $(a_{1}-a_{2})^2+(a_{2}-a_{3})^2+(a_{3}-a_{4})^2+(a_{4}-a_{1})^2$ is

Calculus tangent line

Conditions for an inequation to hold

In this proof ( simplified version of Vieta's Theorem), do they use intercept form to prove it or am I just confused?

Find all values of $k$ for $kx^2+(k+2)x-3=0$ with positive roots.

How do I find the number of integer solutions ($x,y$) that satisfy the equation $y = 3x^2 + 7xy + 4y^2$?

How does this equation yield into the following

Set of primes $p$ for which $x^3-4x-1$ factors completely over $GF(p)$

Solve this quadratic function $h = -0.0625t^2 + 3t - 20$

Quadratic Equations in two-variables.

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